Beautiful matted aggregates of fibrous crystals of the unusual Chalcotrichite variety of Cuprite with rich carmine colour and silky lustre, probably formed by alteration of Chalcopyrite. Associated with very small rhombic crystals of possibly Calcite.Note the beautiful colour under short wavelength (SW) fluorescent light.Ex-Erik Louw collection, ex-Sussman collection. On lucite base which may be removed upon request.
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