Formula : (Cu,Zn)3[(OH)4/CO3] * 4 H2O
System: triclinic(?) Hardness:2 Rarity:very rare
Strunz id:V/E.7-10 -
NITRATES, CARBONATES and BORATES
Name origin: For the type locality, the Clara Mine, Rankach valley, Oberwolfach, Wolfach, Black Forest, Baden-Württemberg, Germany
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