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Grandidierite
Grandidierite
☒

Anorthite
Anorthite
☒



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Grandidierite
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Anorthite

Grandidierite and Anorthite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.85-3.00
Uneven
Perfect
7.5
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
 
Brittle
-
-
2.77
Uneven
Perfect [001] good [010] poor [110]
6-6.5
CaAl 2Si 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)

Grandidierite and Anorthite Chemical Formula

While comparing Grandidierite and Anorthite 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 Grandidierite and Anorthite chemical formula.

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Grandidierite and Anorthite Specific Gravity

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