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Williamsite
Williamsite

Fibrolite
Fibrolite



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Williamsite
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Fibrolite
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.51-2.63
Conchoidal
Perfect
4
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
 
-
-
-
3.14-3.25
-
Perfect
6-7
Al 2SiO 5Arthur Thomas , Gemstones (2009)