Muscovite
Its ability to peel into thin reflective sheets made mica historically useful in windows and insulation. Learn its mineral identity, hardness, care,…
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Apophyllite
Glassy square or pyramidal crystals can look almost too perfect, which is part of their natural appeal. Learn its mineral identity, hardness,…
Prehnite
Its soft translucent green and rounded botryoidal surfaces are especially distinctive. Learn its mineral identity, hardness, care, common treatments, authenticity notes and…
Howlite
Natural howlite is white to cream with irregular grey veining. Learn its mineral identity, hardness, care, common treatments, authenticity notes and traditional…
Turquoise
Colour ranges from sky blue to greenish blue and may include brown or black matrix. Learn its mineral identity, hardness, care, common…
Chrysoprase
Fine chrysoprase has an almost glowing green translucency. Learn its mineral identity, hardness, care, common treatments, authenticity notes and traditional associations.
Unakite
The mix of pistachio green and salmon pink makes unakite instantly recognisable. Learn its mineral identity, hardness, care, common treatments, authenticity notes…
Iolite
Its directional colour change is one of the most useful visual clues for identification. Learn its mineral identity, hardness, care, common treatments,…
Blue Lace Agate
Fine white banding across powder-blue chalcedony gives it a delicate, textile-like pattern. Learn its mineral identity, hardness, care, common treatments, authenticity notes…
Ocean Jasper
Concentric circles and orb patterns make each polished surface look unusually busy. Learn its mineral identity, hardness, care, common treatments, authenticity notes…