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Posnjakite - Tagebau Weißenstein

Informations

Inserted from

 Diether G., Bodensee-Nord

Collectors Summary

Chemical Formula Cu4(SO4)(OH)6·H2O
Color blau, dunkelblau
Streak color grünlich blau
Hardness (Mohs) 2.5
Solubility +++ Säuren, - NH4OH
Crystal System monoklin, Pa