Emerald
Collector emerald crystals often show hexagonal prisms on matrix, while gem material may be transparent but heavily included. Learn its mineral identity, hardness, care, common treatments, authenticity notes…
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Placement: <span>Jewellery storage</span>
Mineralogy, identification, care, lapidary craft, interiors and documented cultural history—with traditional beliefs clearly labelled as a separate subject.
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.
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