Measurements: 68 x 47 x 21 mm
Description: Lovely, sparkling calcite crystals with vivid green botryoidal duftite (or mattramite?) on a (to us, unknown) rock matrix.
The top of the specimen has only a few small nicks, while the bottom has a few contact marks and nicks, but with vivid green duftite (or mottramite)
Weight of Specimen: 59.6 g
Chemical Composition: CaCO3 (calcite) PbCu(AsO4)(OH) (duftite)
Hardness on Mohs Scale:
Specimen Code: NTS 022
US $ 65..