Azurite
The deep ultramarine blue is one of the most saturated natural colours in common mineral collecting. Learn its mineral identity, hardness, care, common treatments, authenticity notes and traditional…
Read guide →Editorial guides
Form: <span>Nodule</span>
Mineralogy, identification, care, lapidary craft, interiors and documented cultural history—with traditional beliefs clearly labelled as a separate subject.
Howlite
Natural howlite is white to cream with irregular grey veining. Learn its mineral identity, hardness, care, common treatments, authenticity notes and traditional associations.
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 →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 →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…
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