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Achroite
Achroite

Selenite
Selenite



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Achroite
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Selenite

Achroite and Selenite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.90-3.40
Uneven, ConchoidalWalter Schumann
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.
 
-
-
-
-9999
-
Perfect
2
CaSO4·2H2O

Achroite and Selenite Chemical Formula

While comparing Achroite and Selenite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Achroite and Selenite chemical formula.

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Achroite and Selenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Achroite and Selenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Achroite Vs Selenite during the identification of gemstone. Specific gravity of Achroite is whereas that of Selenite is .