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Anorthite
Anorthite

Helenite
Helenite



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Anorthite
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Helenite

Anorthite and Helenite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2.77
Uneven
Perfect [001] good [010] poor [110]
6-6.5
CaAl 2Si 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)
 
-
-
-
-9999
-
Indiscernible
-9999
SiO2

Anorthite and Helenite Chemical Formula

While comparing Anorthite and Helenite 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 Anorthite and Helenite chemical formula.

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Anorthite and Helenite Specific Gravity

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