Mineral Library
Plain-facts profiles of the minerals we sell: what each one is, how it forms, how hard it is, and how to tell a real piece from a fake. No mysticism, just the geology.
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Apatite
A calcium phosphate known for vivid blue-green tones; softer than quartz, so handle with care.
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Calcite
A soft, colour-varied carbonate that forms in remarkable shapes; often fluorescent.
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Celestite
Soft sky-blue crystals, usually found lining geodes; delicate and light-sensitive.
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Fluorite
Calcium fluoride in almost every colour; frequently fluorescent, and the mineral that named the property.
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Quartz
The most abundant mineral family on Earth; from clear rock crystal to amethyst and citrine.
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Malachite
Banded green copper carbonate; always genuine here, never reconstituted or dyed.
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Labradorite
A feldspar famous for its flashing blue-green sheen; the quality of the flash is everything.
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Tourmaline
A silicate that occurs in more colours than almost any mineral, sometimes several in one crystal.
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Ruby
Gem-grade corundum coloured red by chromium; one of the hardest minerals we stock.
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Fossils
The mineralised record of ancient life; documented by type and, where known, age and origin.