Formula : Pb5Cu2[(OH)6/CO3/(SO4)3]
System: orthorhombic Hardness:2½-3 Rarity:rare
Strunz id:VI/B.9-10 -
SULFATES, CHROMATES, MOLYBDATES and TUNGSTATES
Name origin: Named in 1932 after "Caledonia," an ancient name for Scotland, in view of the initial discovery of the species in Scotland.
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