Home Pyromorphite
VII - Phosphates
Crystal habit of Pyromorphite Pyromorphite Pyromorphite Pyromorphite

 
Name   Pyromorphite
(Green Lead Ore)
Chemistry   Pb5[Cl|(PO4)3]
Hardness   3.5 - 4
Lustre   adamantine, resinous
Colour   green, brown, yellow, orange, grey, colourless, translucent
Streak   white 
Density [g/cm3]   6.7 - 7.0
Crystal habit   orthorhombic, crystals prismatic, often barrel shaped
Cleavage, Fracture   [1011] imperfect, fracture conchoidal to uneven
other characteristics and occurrences   secondary mineral formation in the oxidation zone of the iron hut (gossan) of lead ore deposits
   

This page in German - Diese Seite in Deutsch
© 2004 Büro für angewandte Mineralogie · Dr. Stephan Rudolph · D-47918 Tönisvorst
These recommendations are believed to be correct. However, no guarantee of their accuracy is given. Therefore, purchasers shall make their own tests to determine suitability for their use. These products are offered for industrial and related uses (e.g. research and development) only. However the user must take the necessary precautions appropriate for products containing chemicals. This description does not imply the absence of any patents, the responsibility whatsoever solely rests with the user.