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V - Chromates
Crystal habit of Crocoite Crocoite

Name   Crocoite
(Red Lead Ore)
Chemistry   Pb[CrO4]
Hardness   2.5 - 3
Lustre   greasy, adamantine
Colour   yellowish red, translucent
Streak   orange 
Density [g/cm3]   6.7 - 6.9
Crystal habit   monoclinic, crytals acicular or prismatic
Cleavage, Fracture   [110] perfect, fracture conchoidal
other characteristics and occurrences   formation by circulation of chromium containing solutions, which react with oxidation ores of galena (PbS)

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