Smaragdite and Zoisite Physical Properties

Smaragdite

Zoisite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.24-3.503.20-3.50

1 7.18

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Fracture

Uneven, Conchoidal, Even

Cleavage

None

Perfect {010} imperfect {100}

Mohs Hardness

5.56-7

2 10

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Chemical Composition

NaCa2(Al,Fe)3Si6O18(OH)4

Ca₂Al₃(SiO₄)₃(OH)

Smaragdite and Zoisite Chemical Formula

While comparing Smaragdite 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 Smaragdite and Zoisite chemical formula.

Chemical formula of Smaragdite- NaCa2(Al,Fe)3Si6O18(OH)4
Chemical formula of Zoisite- Ca₂Al₃(SiO₄)₃(OH)

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Smaragdite and Zoisite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Smaragdite and Zoisite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Smaragdite and Zoisite Optical Properties during the identification of gemstone. Specific gravity of Smaragdite is 3.20-3.50 whereas that of Zoisite is 3.20-3.50.