Iridescent Calcite Specimen - Oskaloosa, USA #2 green Talc is the softest known

Talc is the softest known mineral

with many ancient civilisations using it for jewellery

but crystallize differently to give us different crystals

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Iridescent Calcite Specimen - Oskaloosa, USA #2 green Talc is the softest knownThis beautiful iridescent Calcite specimen is from Oskaloosa, Iowa, USA and has gorgeous iridescent druzy like crystals giving a colourful sheen. You will receive the exact Calcite crystal pictured. Calcite is found all over the world in a variety of forms and colours, often in combination with other minerals. The more common forms of Calcite are Orange, Blue, Green and Yellow, Iceland Spar is a clear double refractive variety that forms natural