Tanzanite and Epidote Physical Properties

Tanzanite

Epidote

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Hard

Not Available

1.4 Specific Gravity

3.353.25-3.50

1 7.18

1.5 Fracture

Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

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

1.6 Cleavage

Perfect {010}, imperfect {100}

{001} perfect and {100} imperfect

1.7 Mohs Hardness

6.5-76-7

2 10

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

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

Tanzanite and Epidote Chemical Formula

While comparing Tanzanite and Epidote 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 Tanzanite and Epidote chemical formula.

Chemical formula of Tanzanite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Epidote- CaAl 2(Fe3+ ,Al)Si 3O 12(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Tanzanite and Epidote Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tanzanite and Epidote Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tanzanite and Epidote Optical Properties during the identification of gemstone. Specific gravity of Tanzanite is 3.25-3.50 whereas that of Epidote is 3.25-3.50.