Zoisite and Wernerite Physical Properties

Zoisite

Wernerite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.20-3.502.50-2.80

1 7.18

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Fracture

Uneven, Conchoidal, Even

Cleavage

Perfect {010} imperfect {100}

Perfect

Mohs Hardness

6-75-6.5

2 10

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Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

Na 4(Al,Si) 12O 24Cl to Ca 4(Si,Al) 12O 24(CO 3,SO 4)Arthur Thomas , Gemstones (2009)

Zoisite and Wernerite Chemical Formula

While comparing Zoisite and Wernerite 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 Wernerite chemical formula.

Chemical formula of Zoisite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Wernerite- Na 4(Al,Si) 12O 24Cl to Ca 4(Si,Al) 12O 24(CO 3,SO 4)Arthur Thomas , Gemstones (2009)

Compare Brown Gemstones

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Zoisite and Wernerite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zoisite and Wernerite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zoisite and Wernerite Optical Properties during the identification of gemstone. Specific gravity of Zoisite is 2.50-2.80 whereas that of Wernerite is 2.50-2.80.