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Selenite
Selenite

Brucite
Brucite



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Selenite
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Brucite

Selenite and Brucite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
Perfect
2
CaSO4·2H2O
 
Sectile
-
-
2.39
Irregular
Perfect on {0001}
2.5
Mg(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Selenite and Brucite Chemical Formula

While comparing Selenite and Brucite 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 Selenite and Brucite chemical formula.

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Selenite and Brucite Specific Gravity

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