Home Descloizite
VII - Vanadates		 Crystal habit of Descloizite
 
Name   Descloizite
Chemistry   Pb(Zn,Cu)[OH|VO4]
Hardness   3.5
Lustre   resinous, adamantine
Colour   brown, reddish brown, black, also yellow to orange with increasing copper content
Streak   light brownish green 
Density [g/cm3]   6.1 - 6.2
Crystal habit   orthorhombic, crystals small, flat platelets
Cleavage, Fracture   fracture conchoidal to uneven
other characteristics and occurrences   formation in the oxidation zone of lead, zinc and copper deposits together with vanadinite (Pb5[Cl|(VO4)3]), cerussite (PbCO3), wulfenite (Pb[MoO4]) and pyromorphite(Pb5[Cl|(PO4)3])
   
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 © 2004 Büro für angewandte Mineralogie · Dr. Stephan Rudolph · D-47918 Tönisvorst
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