Epidote and Andesine Physical Properties

Epidote

Andesine

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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

3.25-3.502.65-2.69

1 7.18

1.5 Fracture

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

Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

{001} perfect and {100} imperfect

Perfect on {001}, good on {010}

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

(Na,Ca)Al_1-2Si_3-2O₈

Epidote and Andesine Chemical Formula

While comparing Epidote and Andesine 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 Andesine 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 Andesine- (Na,Ca)Al_1-2Si_3-2O₈

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Epidote and Andesine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Epidote and Andesine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Epidote and Andesine Optical Properties during the identification of gemstone. Specific gravity of Epidote is 2.65-2.69 whereas that of Andesine is 2.65-2.69.