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Verdelite
Verdelite

Cavansite
Cavansite



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Verdelite
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Cavansite
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.90-3.40
Conchoidal
Indiscernible
7-7.5
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
 
Brittle
-
-
2.25-2.33
-
Good on {010}
3-4
Ca(VO)Si4O10•4(H2O)