Tourmalinated Quartz
Black needles inside clear quartz create high contrast and make each piece visually unique. Learn its mineral identity, hardness, care, common treatments, authenticity notes and traditional associations.
Read guide →Editorial guides
Traditional Use: <span>Protection</span>
Mineralogy, identification, care, lapidary craft, interiors and documented cultural history—with traditional beliefs clearly labelled as a separate subject.
Labradorite
A grey stone can suddenly flash electric blue or green when the viewing angle lines up with its internal structure. Learn its mineral identity, hardness, care, common treatments,…
Read guide →Black Tourmaline
Natural crystals often show strong vertical grooves and broken uneven terminations rather than perfect polished geometry. Learn its mineral identity, hardness, care, common treatments, authenticity notes and traditional…
Read guide →Malachite
Its concentric green banding is visually distinctive and especially dramatic on polished surfaces. Learn its mineral identity, hardness, care, common treatments, authenticity notes and traditional associations.
Read guide →Obsidian
Freshly broken obsidian can have razor-sharp conchoidal fractures, a reminder that it is glass rather than crystalline quartz. Learn its mineral identity, hardness, care, common treatments, authenticity notes…
Read guide →Turquoise
Colour ranges from sky blue to greenish blue and may include brown or black matrix. Learn its mineral identity, hardness, care, common treatments, authenticity notes and traditional associations.
Read guide →Shungite
Usually matte to semi-metallic black, with higher-carbon pieces appearing shinier. Learn its mineral identity, hardness, care, common treatments, authenticity notes and traditional associations.
Read guide →Bloodstone
Look for natural-looking green mottling with irregular red to rusty inclusions. Learn its mineral identity, hardness, care, common treatments, authenticity notes and traditional associations.
Read guide →Pyrite
Sharp cubes from Spain and sparkling clusters from Peru are visually very different expressions of the same mineral. Learn its mineral identity, hardness, care, common treatments, authenticity notes…
Read guide →Smoky Quartz
Ranges from pale tea-coloured quartz to nearly black morion. Learn its mineral identity, hardness, care, common treatments, authenticity notes and traditional associations.
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