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Measurements: 47 x 46 x 25 mm Description: While trimming a specimen, the off-cut piece reveiled a pocket lined with shattuckite, (?)planchéite and gemmy, small quartz crystals. The back of the specimen has bits of planchéite attached. Weight of Specimen: 55 g Chemical
Composition: Cu5(OH)2(SiO3)4 (shattuckite)
Cu8Si8O22(OH)4•(H2O)
(planchéite) Hardness
on Mohs Scale: (shattuckite) 3.5 Specimen Code: NKO 021 US $ 15
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