Epidote and Zoisite Physical Properties

Epidote

Zoisite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

3.25-3.50

Conchoidal, Fibrous

{001} perfect and {100} imperfect

6-7

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

3.20-3.50

Uneven, Conchoidal, Even

Perfect {010} imperfect {100}

6-7

Ca₂Al₃(SiO₄)₃(OH)

Epidote and Zoisite Chemical Formula

While comparing Epidote and Zoisite 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 Zoisite chemical formula.

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Epidote and Zoisite Specific Gravity

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