Zoisite and Sapphirine Physical Properties

Zoisite

Sapphirine

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.20-3.503.40-3.58

1 7.18

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Fracture

Uneven, Conchoidal, Even

Conchoidal, Uneven

Cleavage

Perfect {010} imperfect {100}

{010} Perfect

Mohs Hardness

6-77.5

2 10

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Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

(Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Zoisite and Sapphirine Chemical Formula

While comparing Zoisite and Sapphirine 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 Sapphirine chemical formula.

Chemical formula of Zoisite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Sapphirine- (Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Brown Gemstones

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Zoisite Vs Pyrrhotite

Zoisite Vs Vesuvianite

Zoisite and Sapphirine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zoisite and Sapphirine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zoisite and Sapphirine Optical Properties during the identification of gemstone. Specific gravity of Zoisite is 3.40-3.58 whereas that of Sapphirine is 3.40-3.58.