Septarian
Polished pieces show a dramatic cracked pattern of yellowish carbonate veins in darker matrix. Learn its mineral identity, hardness, care, common treatments, authenticity notes and traditional associations.
Read guide →Editorial guides
Origin: <span>Worldwide</span>
Mineralogy, identification, care, lapidary craft, interiors and documented cultural history—with traditional beliefs clearly labelled as a separate subject.
Lepidolite
A pearly mica shimmer is more characteristic than the glassy sparkle of quartz. Learn its mineral identity, hardness, care, common treatments, authenticity notes and traditional associations.
Read guide →Angelite
Its soft powder-blue colour and matte appearance are more subdued than most blue gemstones. Learn its mineral identity, hardness, care, common treatments, authenticity notes and traditional associations.
Read guide →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 →Muscovite
Its ability to peel into thin reflective sheets made mica historically useful in windows and insulation. Learn its mineral identity, hardness, care, common treatments, authenticity notes and traditional…
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 →Apophyllite
Glassy square or pyramidal crystals can look almost too perfect, which is part of their natural appeal. Learn its mineral identity, hardness, care, common treatments, authenticity notes and…
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 →Prehnite
Its soft translucent green and rounded botryoidal surfaces are especially distinctive. Learn its mineral identity, hardness, care, common treatments, authenticity notes and traditional associations.
Read guide →Magnetite
Small natural crystals can be strongly magnetic, making magnetite physically distinctive. Learn its mineral identity, hardness, care, common treatments, authenticity notes and traditional associations.
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