Epidote and Anorthite Physical Properties

Epidote

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

3.25-3.502.77

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Fibrous

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

{001} perfect and {100} imperfect

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

1.7 Mohs Hardness

6-76-6.5

2 10

1.8 Chemical Composition

CaAl 2(Fe3+ ,Al)Si 3O 12(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Epidote and Anorthite Chemical Formula

While comparing Epidote 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 Epidote and Anorthite chemical formula.

Chemical formula of Epidote- CaAl 2(Fe3+ ,Al)Si 3O 12(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Anorthite- CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Brown Gemstones

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Epidote Vs Fluor buergerite

Epidote and Anorthite Specific Gravity

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