Anorthite and Tantalite Physical Properties

Anorthite

Tantalite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.775.2

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

Good in one direction

1.7 Mohs Hardness

6-6.56-6.5

2 10

1.8 Chemical Composition

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

(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

Anorthite and Tantalite Chemical Formula

While comparing Anorthite and Tantalite 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 Tantalite chemical formula.

Chemical formula of Anorthite- CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Tantalite- (Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

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Anorthite and Tantalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anorthite and Tantalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anorthite and Tantalite Optical Properties during the identification of gemstone. Specific gravity of Anorthite is 5.2 whereas that of Tantalite is 5.2.