Onyx
A useful example of why trade names and mineral identity are not always the same thing. Learn its mineral identity, hardness, care, common treatments, authenticity notes and traditional…
Read guide →Editorial guides
Colour: <span>Brown</span>
Mineralogy, identification, care, lapidary craft, interiors and documented cultural history—with traditional beliefs clearly labelled as a separate subject.
Jasper
Best appreciated for pattern and landscape-like colour rather than transparency. Learn its mineral identity, hardness, care, common treatments, authenticity notes and traditional associations.
Read guide →Tiger’s Eye
The cat’s-eye band is the defining visual feature and is strongest on well-oriented polished surfaces. Learn its mineral identity, hardness, care, common treatments, authenticity notes and traditional associations.
Read guide →Aragonite
Radiating clusters can look spectacular but are more fragile than their visual heft suggests. Learn its mineral identity, hardness, care, common treatments, authenticity notes and traditional associations.
Read guide →Barite
Its heft is one of the easiest physical characteristics for beginners to notice. Learn its mineral identity, hardness, care, common treatments, authenticity notes and traditional associations.
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