Diaspore and Anorthite Physical Properties

Diaspore

Anorthite

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1 Physical Properties

1.1 Tenacity

Very brittle

Brittle

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.30-3.402.77

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

{010} perfect, {110} distinct, {100} in traces

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

1.7 Mohs Hardness

6.5-76-6.5

2 10

1.8 Chemical Composition

AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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

Diaspore and Anorthite Chemical Formula

While comparing Diaspore 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 Diaspore and Anorthite chemical formula.

Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Anorthite- CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Diaspore and Anorthite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Diaspore and Anorthite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Diaspore and Anorthite Optical Properties during the identification of gemstone. Specific gravity of Diaspore is 2.77 whereas that of Anorthite is 2.77.