Calcite
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Taffs Well Quarry, Pentyrch, Cardiff, Wales
2506
A fine example of a butterfly-twinned calcite with a clearly defined twinning plane. Ex. Roland Thomas collection No. 1680
Formula: CaCO3
Status: Sold
Dimensions: 70x60x22mm
Size: Small Cabinet (S)
Minerals of the English Midlands
UK Journal of Mines & Minerals No. 12
UK Journal of Mines and Minerals No. 3
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