TALC - Unst, Shetland Isles
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Unst, Shetland Isles, Scotland
Attractive pale-green specimen of talc with quartz from the Shetlands.
Talc is the softest known mineral (it is No. 1 on Moh’s scale of hardness); it can easily be cut with a knife or scratched with a fingernail.
Talc is not only used to make talcum powder. It is also used in paper making, pharmaceuticals, ceramics and numerous other manufacturing processes.
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Size: 7 x 6 x 3 centimetres
Weight: 160 grams
