  Pyromorphite.  
Description from the source: 
Pyromorphite (Pb5 (PO4)3 Cl hex.), Bad Ems, Germany. Little but evident crystal cluster. 0,8x0,5x0,4 cm; 9 g with box. 
Source: Simone Citon 
Contributor: John Gray 
Acquired: 28 January, 2009 
Text Updated: 29 January, 2009 
Price: Trade 
Size: 0.3" 
Composition: Pb5(PO4)3Cl
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