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Helenite
Helenite

Pezzotaite
Pezzotaite



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Helenite
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Pezzotaite
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
Indiscernible
-9999
SiO2
 
-
-
-
-9999
-
Indistinct
-9999
Cs(Be2Li)Al2Si6O18