Clinozoisite and Variscite Physical Properties

Clinozoisite

Variscite

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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

3.21-3.382.42-2.58

1 7.18

1.5 Fracture

Irregular/uneven, Uneven

Conchoidal, Splintery, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle

1.6 Cleavage

Perfect on {001}

[010] perfect

1.7 Mohs Hardness

6-74-5

2 10

1.8 Chemical Composition

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

AlPO₄ · 2(H₂O)

Clinozoisite and Variscite Chemical Formula

While comparing Clinozoisite and Variscite 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 Variscite 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 Variscite- AlPO₄ · 2(H₂O)

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Clinozoisite and Variscite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Clinozoisite and Variscite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Clinozoisite and Variscite Optical Properties during the identification of gemstone. Specific gravity of Clinozoisite is 2.42-2.58 whereas that of Variscite is 2.42-2.58.