An earthy green plate with well-formed quartz points standing off the surface.
Points like these are the opposite situation to a druzy plate. Here only a few growth sites started, so each one had the silica supply largely to itself and had room to develop a full termination, the six-sided pyramid at the tip. That shape is not carved or encouraged. It is the natural expression of how quartz atoms stack, showing up whenever a crystal is left undisturbed long enough to finish.
The green is celadonite, the clay mineral that lines these cavities in the Brazilian basalt before the quartz arrives.
Keep it out of direct sunlight. Sustained UV breaks down the iron centres that produce the purple, and amethyst that fades does not come back.
Mineral: Amethyst, the purple variety of quartz (SiO₂), with celadonite
Crystal system: Trigonal
Origin: Rio Grande do Sul, Brazil
Hardness: 7 on the Mohs scale; hard, though fine druzy points chip easily
Treatment: None
Dimensions: 5.73 x 4 x 10.65 cm
Weight: 110 g Note: Supplied on a bespoke gold stand
You will receive the exact piece photographed.