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Pyromorphite
Shattuckite
Shattuckite and Pyromorphite Physical Properties


Physical Properties
Tenacity
Brittle  
-  
Solubility
-  
-  
Durability
-  
-  
Specific Gravity
6.5-7.1  
3.80-4.15  
Fracture
Uneven, Conchoidal  
Uneven  
Cleavage
Imperfect- [10 1 1]  
perfect along [010] and [100]  
Mohs Hardness
3.5-4  
3.5-4  
Chemical Composition
Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)  
Cu 5(SiO 3) 4(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references  
Optical Properties >>
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