Zoisite and Aragonite Physical Properties

Zoisite

Aragonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Dilute acid

1.3 Durability

Not Available

1.4 Specific Gravity

3.20-3.502.93-2.96

1 7.18

1.9 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Even

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.12 Cleavage

Perfect {010} imperfect {100}

Distinct on {010}, imperfect {110} and {011}

1.13 Mohs Hardness

6-73.5-4

2 10

1.18 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Zoisite and Aragonite Chemical Formula

While comparing Zoisite and Aragonite 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 Aragonite chemical formula.

Chemical formula of Zoisite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Zoisite and Aragonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zoisite and Aragonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zoisite and Aragonite Optical Properties during the identification of gemstone. Specific gravity of Zoisite is 2.93-2.96 whereas that of Aragonite is 2.93-2.96.