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Stolzite
Stolzite
☒

Wernerite
Wernerite
☒



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Stolzite
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Wernerite
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2
Conchoidal, Uneven
Imperfect on {001}, indistinct on {011}
2.5-3
PbWO4
 
-
-
-
2.50-2.80
-
Perfect
5-6.5
Na 4(Al,Si) 12O 24Cl to Ca 4(Si,Al) 12O 24(CO 3,SO 4)Arthur Thomas , Gemstones (2009)