Clinozoisite and Zoisite Physical Properties

Clinozoisite

Zoisite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.21-3.383.20-3.50

1 7.18

1.5 Fracture

Irregular/uneven, Uneven

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

1.6 Cleavage

Perfect on {001}

Perfect {010} imperfect {100}

1.7 Mohs Hardness

6-76-7

2 10

1.8 Chemical Composition

Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Ca₂Al₃(SiO₄)₃(OH)

Clinozoisite and Zoisite Chemical Formula

While comparing Clinozoisite 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 Clinozoisite and Zoisite chemical formula.

Chemical formula of Clinozoisite- Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Zoisite- Ca₂Al₃(SiO₄)₃(OH)

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Clinozoisite and Zoisite Specific Gravity

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