Zoisite and Hodgkinsonite Physical Properties

Zoisite

Hodgkinsonite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.20-3.504.06-4.08

1 7.18

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Fracture

Uneven, Conchoidal, Even

Cleavage

Perfect {010} imperfect {100}

{???} Perfect

Mohs Hardness

6-74.5-5

2 10

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Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

Mn2+ Zn 2SiO 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Zoisite and Hodgkinsonite Chemical Formula

While comparing Zoisite and Hodgkinsonite 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 Hodgkinsonite chemical formula.

Chemical formula of Zoisite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Hodgkinsonite- Mn2+ Zn 2SiO 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Zoisite and Hodgkinsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zoisite and Hodgkinsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zoisite and Hodgkinsonite Optical Properties during the identification of gemstone. Specific gravity of Zoisite is 4.06-4.08 whereas that of Hodgkinsonite is 4.06-4.08.