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Achroite
Achroite

Blue spinel
Blue spinel



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Achroite
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Blue spinel

Achroite and Blue spinel Physical Properties

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
-
None
-9999
MgAl2O4

Achroite and Blue spinel Chemical Formula

While comparing Achroite and Blue spinel 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 Blue spinel chemical formula.

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Achroite and Blue spinel Specific Gravity

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