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Helenite
Helenite
☒

Verdelite
Verdelite
☒



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Helenite
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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
Indiscernible
-9999
SiO2
 
-
-
-
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.

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Green Gemstones

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Flint
Flint
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Verdelite Vs Trinitite
Verdelite
Zinnwaldite
Verdelite Vs Zinnwaldite

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