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Feldspar
Feldspar

Achroite
Achroite



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Feldspar
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Achroite

Feldspar and Achroite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.56-2.75
Uneven, Conchoidal
two or three
6-6.5
KAlSi3O8
 
-
-
-
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.

Feldspar and Achroite Chemical Formula

While comparing Feldspar and Achroite 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 Feldspar and Achroite chemical formula.

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Feldspar and Achroite Specific Gravity

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