{"title":"Statement pieces","description":"","products":[{"product_id":"pink-amethyst-slab-on-stand-9","title":"Pink amethyst slab on stand (A) — natural, Brazil","description":"\u003cp\u003eA polished pink amethyst slab from Brazil, cut flat to show its soft pink crystalline face and mounted upright on a black metal stand. Pink amethyst is a variety of quartz, its rose colour formed from trace elements as the crystals grew in volcanic cavities; the druzy surface catches light across the slab.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Pink amethyst (quartz, SiO₂)\u003cbr\u003e\u003cstrong\u003eCrystal system:\u003c\/strong\u003e Trigonal\u003cbr\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Brazil\u003cbr\u003e\u003cstrong\u003eHardness:\u003c\/strong\u003e 7 on the Mohs scale; durable and easy to display\u003cbr\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e None\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 14.08 × 2.73 × 30.1 cm (including stand)\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.945 kg (including stand)\u003c\/p\u003e\n\u003cp\u003eYou'll receive the exact piece photographed.\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"The Crystal Showroom","offers":[{"title":"Default Title","offer_id":47338012180824,"sku":"pas11","price":149.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/4880\/5720\/files\/PAos-b-1.jpg?v=1779882413"},{"product_id":"pink-amethyst-slab-on-stand-10","title":"Pink amethyst slab on stand (B) — natural, Brazil","description":"\u003cp\u003eA wide polished pink amethyst slab from Brazil, its rose-pink crystalline face mounted upright on a black metal stand for display. Pink amethyst is a variety of quartz coloured by trace elements during slow growth in volcanic cavities, the druzy surface sparkling across the cut face.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Pink amethyst (quartz, SiO₂)\u003cbr\u003e\u003cstrong\u003eCrystal system:\u003c\/strong\u003e Trigonal\u003cbr\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Brazil\u003cbr\u003e\u003cstrong\u003eHardness:\u003c\/strong\u003e 7 on the Mohs scale; durable and easy to display\u003cbr\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e None\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 19.3 × 3.28 × 40.2 cm (including stand)\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.66 kg (including stand)\u003c\/p\u003e\n\u003cp\u003eYou'll receive the exact piece photographed.\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"The Crystal Showroom","offers":[{"title":"Default Title","offer_id":47338045899096,"sku":"pas10","price":127.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/4880\/5720\/files\/PAos-a-1.jpg?v=1779881911"},{"product_id":"amethyst-cluster-with-calcite","title":"Amethyst cluster with calcite — natural, Brazil","description":"\u003cp\u003eA statement amethyst cluster from Brazil, its deep violet points broken by a striking natural calcite inclusion. Amethyst forms when silica-rich fluids crystallise slowly in volcanic cavities, the purple colour produced by trace iron and natural irradiation; here, a secondary pocket of calcite has grown within the same formation, a genuine one-of-a-kind pairing. Mounted on a rotating black metal stand for display from every angle.\u003c\/p\u003e\n\u003cp\u003eMineral: Amethyst (quartz, SiO₂) with calcite (calcium carbonate, CaCO₃)\u003cbr\u003eCrystal system: Trigonal (amethyst); trigonal (calcite)\u003cbr\u003eOrigin: Brazil\u003cbr\u003eHardness: Amethyst 7 on the Mohs scale; calcite 3, softer and more easily marked\u003cbr\u003eTreatment: None\u003cbr\u003eDimensions: 20 × 20 × 28.5 cm (including stand)\u003cbr\u003eWeight: 7.21 kg (including stand)\u003c\/p\u003e\n\u003cp\u003eYou'll receive the exact piece photographed.\u003c\/p\u003e","brand":"The Crystal Showroom","offers":[{"title":"Default Title","offer_id":49974884008280,"sku":"000001","price":552.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/4880\/5720\/files\/F6C22614-E255-420F-AD1D-B6463017A58A.jpg?v=1727018153"},{"product_id":"clear-quartz-cluster-on-stand-1","title":"Clear quartz cluster on stand — natural, Brazil","description":"\u003cp\u003eA statement clear quartz cluster from Brazil, mounted on a sleek black metal stand for display. Bright, well-formed points catch the light across the face of the piece. Quartz forms as silica-rich fluids crystallise slowly in rock cavities, each point growing outward from a shared base over long periods.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Clear quartz (silicon dioxide, SiO₂)\u003cbr\u003e\u003cstrong\u003eCrystal system:\u003c\/strong\u003e Trigonal\u003cbr\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Brazil\u003cbr\u003e\u003cstrong\u003eHardness:\u003c\/strong\u003e 7 on the Mohs scale; durable and easy to handle\u003cbr\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e None\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 10.3 × 8 × 25 cm (including stand)\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.54 kg (including stand)\u003c\/p\u003e\n\u003cp\u003eYou'll receive the exact piece photographed.\u003c\/p\u003e","brand":"The Crystal Showroom","offers":[{"title":"Default Title","offer_id":49975256154456,"sku":"cqcs2","price":140.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/4880\/5720\/files\/C3E8454B-CC4B-4D7F-AF0A-F9E5013B9FFB.jpg?v=1727025737"},{"product_id":"pink-amethyst-butterfly-wings-on-stand","title":"Pink amethyst butterfly wings (A) — natural, Brazil","description":"\u003cp\u003eA statement pair of pink amethyst slabs from Brazil, cut and opened into a butterfly-wing form and mounted on a black metal stand. Pink amethyst is a variety of quartz, its soft pink colour coming from trace iron and other elements present as the crystals grew slowly in volcanic cavities; the crystalline druzy faces catch the light across each wing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Pink amethyst (quartz, SiO₂)\u003cbr\u003e\u003cstrong\u003eCrystal system:\u003c\/strong\u003e Trigonal\u003cbr\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Brazil\u003cbr\u003e\u003cstrong\u003eHardness:\u003c\/strong\u003e 7 on the Mohs scale; durable, though handle the stand and display with care given the size\u003cbr\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e None\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 57 × 20 × 111 cm (including stand)\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 14.9 kg (including stand)\u003c\/p\u003e\n\u003cp\u003eYou'll receive the exact piece photographed.\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"The Crystal Showroom","offers":[{"title":"Default Title","offer_id":56010829857112,"sku":null,"price":820.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/4880\/5720\/files\/PA-butterfly-2-1.jpg?v=1778758294"},{"product_id":"pink-amethyst-butterfly-wings-on-stand-1","title":"Pink amethyst butterfly wings (B) — natural, Brazil","description":"\u003cp\u003eA large pair of pink amethyst slabs from Brazil, cut into a symmetrical butterfly-wing display and mounted on a black metal stand. Pink amethyst is a variety of quartz coloured a soft rose by trace elements during slow crystal growth; the druzy crystal faces give each wing its sparkle.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Pink amethyst (quartz, SiO₂)\u003cbr\u003e\u003cstrong\u003eCrystal system:\u003c\/strong\u003e Trigonal\u003cbr\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Brazil\u003cbr\u003e\u003cstrong\u003eHardness:\u003c\/strong\u003e 7 on the Mohs scale; durable, though handle the stand and display with care given the size\u003cbr\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e None\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 57 × 20 × 99 cm (including stand)\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 14 kg (including stand)\u003c\/p\u003e\n\u003cp\u003eYou'll receive the exact piece photographed.\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"The Crystal Showroom","offers":[{"title":"Default Title","offer_id":56010920558936,"sku":null,"price":770.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/4880\/5720\/files\/PA-butterfly-1-4.jpg?v=1778757937"},{"product_id":"petrified-wood-freeform-a-natural-madagascar","title":"Petrified wood freeform (A) — natural, Madagascar","description":"\u003cp dir=\"ltr\"\u003eA polished freeform cut from a fossil log, from a tree that was alive in the Triassic and has been stone for over 200 million years.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eNothing about that is figurative. The trunk was buried, and silica-carrying groundwater moved through it and precipitated inside and around the cell walls, replacing organic tissue with quartz and chalcedony while holding the original architecture in place. Growth rings survive. So does grain direction, and knots where branches left the trunk. What you are looking at is the internal structure of a tree, recorded in silica.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe colours come from whatever was dissolved in that water rather than from the wood. Iron oxides give the reds and oranges, manganese the darker tones.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eCut as a freeform rather than sliced flat, so the grain runs over curved surfaces and reads differently depending on where you stand.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eSilicified wood, quartz and chalcedony (SiO₂) replacing the original tissue\u003cbr\u003e\u003cstrong\u003eCrystal system:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eTrigonal\u003cbr\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eAmbilobe area, northern Madagascar                                                                      \u003cstrong\u003eAge:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eTriassic, roughly 200 to 250 million years\u003cbr\u003e\u003cstrong\u003eHardness:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003e6.5 to 7 on the Mohs scale; hard and durable, though the polish will dull if it is knocked about\u003cbr\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e None\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 12.45 x 9.2 x 20.5 cm\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 3.905 kg\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eYou will receive the exact piece photographed.\u003c\/p\u003e","brand":"The Crystal Showroom","offers":[{"title":"Default Title","offer_id":58430754259288,"sku":null,"price":235.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/4880\/5720\/files\/pwff-a-1.jpg?v=1788974807"},{"product_id":"petrified-wood-freeform-b-natural-madagascar","title":"Petrified wood freeform (B) — natural, Madagascar","description":"\u003cp dir=\"ltr\"\u003eA polished freeform cut from a fossil log, from a tree that grew on ground that was not an island yet.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eWhen this tree was standing, Madagascar was not separate from anything. It sat locked inside Gondwana, pressed against what is now east Africa, and would not begin pulling away for tens of millions of years after this trunk fell. Everything Madagascar is now known for, the lemurs and the baobabs and the long list of species found nowhere else on Earth, follows from an isolation that had not started yet.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe wood is silica now. Groundwater carrying dissolved quartz worked through the buried trunk and replaced the tissue cell by cell, keeping the grain and the growth rings in place while the organic material went. The colours are from what that water was carrying, mostly iron and manganese.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eCut as a freeform rather than sliced flat, so the grain runs across curved faces instead of sitting on one plane.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eSilicified wood, quartz and chalcedony (SiO₂) replacing the original tissue\u003cbr\u003e\u003cstrong\u003eCrystal system:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eTrigonal\u003cbr\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eAmbilobe area, northern Madagascar                                                                      \u003cstrong\u003eAge:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eTriassic, roughly 200 to 250 million years\u003cbr\u003e\u003cstrong\u003eHardness:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003e6.5 to 7 on the Mohs scale; hard and durable, though the polish will dull if it is knocked about\u003cbr\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e None\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 9.35 x 8.27 x 22 cm\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.76 kg\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eYou will receive the exact piece photographed.\u003c\/p\u003e","brand":"The Crystal Showroom","offers":[{"title":"Default Title","offer_id":58430880383320,"sku":null,"price":170.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/4880\/5720\/files\/pwff-b-1.jpg?v=1788976437"},{"product_id":"amethyst-geode-butterfly-a-cut-and-mounted-brazil","title":"Amethyst geode butterfly (A) — cut and mounted, Brazil","description":"\u003cp dir=\"ltr\"\u003eTwo halves of one geode, cut and mounted facing each other as a butterfly.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe pair was a single hollow cavity until it was opened. Everything across the two faces grew as one continuous lining, which is why the banding on the rind runs from one side to the other and the crystal field carries on across the gap. Cut once, and there is no second pair.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe cavity itself formed as a gas bubble in cooling lava. Silica-rich water later worked its way in and crystallised inwards, quartz first, then amethyst as iron entered the system. The purple is iron held in the quartz structure and altered by natural radiation in the ground over a very long period.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eCut geodes are reinforced before they leave the mine. The outer shell on a piece this size can be close to eggshell-thin, so the back, base and sides are cemented and the exterior painted dark to match the basalt it came out of. That is done to every cathedral and butterfly on the market and it is almost never mentioned. Nothing has been done to the crystal itself.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eKeep it out of direct sunlight. Sustained UV breaks down the iron centres that produce the colour, and amethyst that fades does not come back.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eAmethyst, the purple variety of quartz (SiO₂)\u003cbr\u003e\u003cstrong\u003eCrystal system: \u003c\/strong\u003eTrigonal\u003cbr\u003e\u003cstrong\u003eOrigin: \u003c\/strong\u003eBrazil \u003cbr\u003e\u003cstrong\u003eHardness: \u003c\/strong\u003e7 on the Mohs scale; hard, though individual crystal tips chip easily\u003cbr\u003e\u003cstrong\u003eTreatment: \u003c\/strong\u003eNone to the amethyst. Backing, base and exterior are cemented and painted, standard practice for cut geodes\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 36 x 17 x 35.5 cm\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 9.1 kg\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eYou will receive the exact piece photographed.\u003c\/p\u003e","brand":"The Crystal Showroom","offers":[{"title":"Default Title","offer_id":58431167005016,"sku":null,"price":400.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/4880\/5720\/files\/abwb-a-1.jpg?v=1788977901"},{"product_id":"agate-geode-d-natural-brazil","title":"Agate geode (D) — natural, Brazil","description":"\u003cp dir=\"ltr\"\u003eWhite through the whole polished face, with the raw rind left on.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eWhite is information rather than an absence of it. Agate gets its colour from whatever the water was carrying alongside the silica, mostly iron for the reds and browns, manganese for the darker tones. A white geode means the water arrived carrying almost nothing else. Just silica, over and over, for as long as it took to fill the cavity.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThat makes the banding easier to read than on a coloured piece, because there is nothing competing with it. You are looking at structure on its own. The rhythm of deposition, where it paused, where it sped up, and where the last of the silica gave up and finished as crystal instead of a smooth layer.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e Agate, banded chalcedony (silicon dioxide, SiO₂)\u003cbr\u003e\u003cstrong\u003eCrystal system: \u003c\/strong\u003eTrigonal\u003cbr\u003e\u003cstrong\u003eOrigin: \u003c\/strong\u003eRio Grande do Sul, Brazil\u003cbr\u003e\u003cstrong\u003eHardness: \u003c\/strong\u003e6\u003cmeta charset=\"utf-8\"\u003e.5 to 7 on the Mohs scale; durable, though the polished face will dull if knocked about\u003cbr\u003e\u003cstrong\u003eTreatment: \u003c\/strong\u003eNone\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 18.5 x 9.35 x 21 cm\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.69 kg                                                                                                                                        \u003cstrong\u003eNote:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eCut face polished, exterior left natural\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eYou will receive the exact piece photographed.\u003c\/p\u003e","brand":"The Crystal Showroom","offers":[{"title":"Default Title","offer_id":58512114352472,"sku":null,"price":220.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/4880\/5720\/files\/agb-d-1.jpg?v=1789813180"},{"product_id":"amethyst-flower-a-natural-brazil","title":"Amethyst flower (A) — natural, Brazil","description":"\u003cp dir=\"ltr\"\u003eA statement plate with flower formations across the top section, purple running through green.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe flowers are rosettes, and they form when crystals grow outward from a single point rather than upward from a flat surface. Something small gets the growth started, a speck of grit or a break in the cavity wall, and quartz builds away from it in every available direction at once. The result radiates, which is why it reads as a flower rather than as a field of points.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThey are not common on a plate this size. Most of a geode wall grows evenly, so the crystals line up and the surface comes out uniform. Rosettes need irregularity to start with, and then need to survive everything that grows afterwards without being buried.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eKeep it out of direct sunlight. Sustained UV breaks down the iron centres that produce the purple, and amethyst that fades does not come back.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eAmethyst, the purple variety of quartz (SiO₂), with celadonite\u003cbr\u003e\u003cstrong\u003eCrystal system:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eTrigonal\u003cbr\u003e\u003cstrong\u003eOrigin: \u003c\/strong\u003eRio Grande do Sul, Brazil\u003cbr\u003e\u003cstrong\u003eHardness: \u003c\/strong\u003e7 on the Mohs scale; hard, though fine druzy points chip easily\u003cbr\u003e\u003cstrong\u003eTreatment: \u003c\/strong\u003eNone\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 20.5 x 10.5 x 34 cm\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 3.135 kg                                                                                                                                            \u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eSupplied on a bespoke gold stand\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eYou will receive the exact piece photographed.\u003c\/p\u003e","brand":"The Crystal Showroom","offers":[{"title":"Default Title","offer_id":58514411913560,"sku":null,"price":345.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/4880\/5720\/files\/afb-a-1.jpg?v=1789827837"},{"product_id":"amethyst-flower-g-natural-brazil","title":"Amethyst flower (G) — natural, Brazil","description":"\u003cp dir=\"ltr\"\u003eMostly green with purple coming through and some flower formation across the surface.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eWith this much celadonite showing, it is worth saying where the cavity itself came from. Around 130 million years ago, as South America and Africa began separating, enormous volumes of lava erupted across what is now southern Brazil and set into basalt hundreds of metres thick. Gas trapped in those flows left cavities behind. Every amethyst geode from Rio Grande do Sul sits inside one of them.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eCeladonite formed first, lining the empty space as the basalt weathered. Silica-bearing water came later and built quartz on top of it. The green underneath is older than the purple.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eKeep it out of direct sunlight. Sustained UV breaks down the iron centres that produce the purple, and amethyst that fades does not come back.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eAmethyst, the purple variety of quartz (SiO₂), with celadonite\u003cbr\u003e\u003cstrong\u003eCrystal system:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eTrigonal\u003cbr\u003e\u003cstrong\u003eOrigin: \u003c\/strong\u003eRio Grande do Sul, Brazil\u003cbr\u003e\u003cstrong\u003eHardness: \u003c\/strong\u003e7 on the Mohs scale; hard, though fine druzy points chip easily\u003cbr\u003e\u003cstrong\u003eTreatment: \u003c\/strong\u003eNone\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 15.5 x 10.2 x 32 cm\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.81 kg                                                                                                                                            \u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eSupplied on a bespoke gold stand\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eYou will receive the exact piece photographed.\u003c\/p\u003e","brand":"The Crystal Showroom","offers":[{"title":"Default Title","offer_id":58546285183320,"sku":null,"price":236.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/4880\/5720\/files\/afb-b-1.jpg?v=1790154448"},{"product_id":"amethyst-flower-c-natural-brazil","title":"Amethyst flower (C) — natural, Brazil","description":"\u003cp dir=\"ltr\"\u003eA druzy plate, mostly purple with green running through it. No flower formations on this one.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eDruzy is what you get when a surface is covered in crystals too small to pick out individually. It happens when a great many growth points start at once and every one of them competes for the same supply of silica, so none gets far. On a plate where fewer points started, the same amount of material would have built a handful of large crystals instead.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eWhich is the trade-off. Druzy gives up size and gains surface, and a densely covered plate throws back far more light than a few big crystals ever would.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eKeep it out of direct sunlight. Sustained UV breaks down the iron centres that produce the purple, and amethyst that fades does not come back.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eAmethyst, the purple variety of quartz (SiO₂), with celadonite\u003cbr\u003e\u003cstrong\u003eCrystal system:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eTrigonal\u003cbr\u003e\u003cstrong\u003eOrigin: \u003c\/strong\u003eRio Grande do Sul, Brazil\u003cbr\u003e\u003cstrong\u003eHardness: \u003c\/strong\u003e7 on the Mohs scale; hard, though fine druzy points chip easily\u003cbr\u003e\u003cstrong\u003eTreatment: \u003c\/strong\u003eNone\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 11.33 x 8 x 27 cm\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 520 g                                                                                                                                            \u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eSupplied on a bespoke gold stand\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eYou will receive the exact piece photographed.\u003c\/p\u003e","brand":"The Crystal Showroom","offers":[{"title":"Default Title","offer_id":58546391875928,"sku":null,"price":70.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/4880\/5720\/files\/afb-c-1.jpg?v=1790155323"},{"product_id":"amethyst-flower-b-natural-brazil","title":"Amethyst flower (B) — natural, Brazil","description":"\u003cp dir=\"ltr\"\u003ePurple druzy with a green botryoidal coating over the top of it.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe green is celadonite, a soft clay mineral from the mica family. It lines the gas cavities in Brazilian basalt before anything else arrives, and it is the reason so many amethyst geodes from Rio Grande do Sul have a green skin under, over or through the quartz. Botryoidal means it grew in rounded bubble-like masses rather than crystals, which is normal for the way clay minerals build up.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eWorth being clear about a term you will see elsewhere. This is not green amethyst. Green amethyst means prasiolite, which is almost always amethyst that has been heated in a kiln to change its colour. Nothing here has been heated. The green is a separate mineral sitting on top of the purple, and the two grew at different times.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eKeep it out of direct sunlight. Sustained UV breaks down the iron centres that produce the purple, and amethyst that fades does not come back.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eAmethyst, the purple variety of quartz (SiO₂), with celadonite\u003cbr\u003e\u003cstrong\u003eCrystal system:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eTrigonal\u003cbr\u003e\u003cstrong\u003eOrigin: \u003c\/strong\u003eRio Grande do Sul, Brazil\u003cbr\u003e\u003cstrong\u003eHardness: \u003c\/strong\u003e7 on the Mohs scale; hard, though fine druzy points chip easily\u003cbr\u003e\u003cstrong\u003eTreatment: \u003c\/strong\u003eNone\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 12.63 x 7.2 x 19 cm\u003cbr\u003e\u003cstrong\u003eWeight: \u003c\/strong\u003e1.02 kg                                                                                                                                            \u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003eSupplied on a bespoke gold stand\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eYou will receive the exact piece photographed.\u003c\/p\u003e","brand":"The Crystal Showroom","offers":[{"title":"Default Title","offer_id":58546496667992,"sku":null,"price":125.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/4880\/5720\/files\/afb-b-1-2.jpg?v=1790155967"}],"url":"https:\/\/thecrystalshowroom.com\/collections\/statement-pieces-1.oembed?page=2","provider":"The Crystal Showroom","version":"1.0","type":"link"}