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V - Sulfates
Crysal habit of Chalcanthite Chalcanthite

Name   Chalcanthite
(Blue Vitriol, Copper Vitriol)
Chemistry   Cu[SO4]·5H2O
Hardness   2.5
Lustre   vitreous
Colour   blue, transparent to translucent
Streak   white 
Density [g/cm3]   2.2 - 2.3
Crystal habit   triclinic, crystals rarely, small
Cleavage, Fracture   fracture conchoidal
other characteristics and occurrences   often stalactitic, crust forming, also fibrous and grained, soluble in water

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© 2004 Büro für angewandte Mineralogie · Dr. Stephan Rudolph · D-47918 Tönisvorst
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