Painite and Anorthite Physical Properties

Painite

Anorthite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.00-4.032.77

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

7.5-86-6.5

2 10

1.8 Chemical Composition

CaZrBAl 9O 18Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Painite and Anorthite Chemical Formula

While comparing Painite 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 Painite and Anorthite chemical formula.

Chemical formula of Painite- CaZrBAl 9O 18Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Anorthite- CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Painite and Anorthite Specific Gravity

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