Zoisite and Goshenite Physical Properties

Zoisite

Goshenite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.20-3.502.60-2.90

1 7.18

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Fracture

Uneven, Conchoidal, Even

Conchoidal

Cleavage

Perfect {010} imperfect {100}

3,1 basal

Mohs Hardness

6-77.5-8

2 10

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Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

Be₃Al₂SiO₆

Zoisite and Goshenite Chemical Formula

While comparing Zoisite and Goshenite 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 Zoisite and Goshenite chemical formula.

Chemical formula of Zoisite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Goshenite- Be₃Al₂SiO₆

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Zoisite and Goshenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zoisite and Goshenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zoisite and Goshenite Optical Properties during the identification of gemstone. Specific gravity of Zoisite is 2.60-2.90 whereas that of Goshenite is 2.60-2.90.