Elbaite and Anorthite Physical Properties

Elbaite

Anorthite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

2.90-3.10

Uneven, Conchoidal

Poor/indistinct on {1120} and {1011}

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references

Brittle

2.77

Uneven

Perfect [001] good [010] poor [110]

6-6.5

CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Elbaite and Anorthite Chemical Formula

While comparing Elbaite 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 Elbaite and Anorthite chemical formula.

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Elbaite and Anorthite Specific Gravity

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