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Wernerite
Wernerite

Bowenite
Bowenite



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Wernerite
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Bowenite
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
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)
 
-
-
-
2.58-2.80
Uneven, Irregular
Perfect
5.5
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)