Topaz and Clinozoisite Physical Properties

Topaz

Clinozoisite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.49-3.573.21-3.38

1 7.18

1.5 Fracture

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

Irregular/uneven, Uneven

1.6 Cleavage

[001] Perfect

Perfect on {001}

1.7 Mohs Hardness

86-7

2 10

1.8 Chemical Composition

Al₂SiO₄(F,OH)₂

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

Topaz and Clinozoisite Chemical Formula

While comparing Topaz and Clinozoisite 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 Topaz and Clinozoisite chemical formula.

Chemical formula of Topaz- Al₂SiO₄(F,OH)₂
Chemical formula of Clinozoisite- Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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Topaz and Clinozoisite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Topaz and Clinozoisite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Topaz and Clinozoisite Optical Properties during the identification of gemstone. Specific gravity of Topaz is 3.21-3.38 whereas that of Clinozoisite is 3.21-3.38.