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Chrysocolla is a hydrated copper cyclosilicate mineral. The structure of the mineral has been questioned, as spectrographic studies suggest material identified as chrysocolla may be a mixture of the copper hydroxide spertiniite and chalcedony.
**Warning: Contains copper which can cause serious health issues if not handled correctly. DO NOT Hammer, or break this rock up.
Wheal Sorland, Cornwall, UK
PREMIER: A high quality display mineral, with a photo that shows the actual specimen you will receive.