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…
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Colour: <span>Pale green</span>
Mineralogy, identification, care, lapidary craft, interiors and documented cultural history—with traditional beliefs clearly labelled as a separate subject.
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.
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