Topaz and Lizardite Physical Properties

Topaz

Lizardite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.49-3.572.55

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

[001] Perfect

{001} Perfect

1.7 Mohs Hardness

8Not Available

2 10

1.8 Chemical Composition

Al₂SiO₄(F,OH)₂

Mg 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Topaz and Lizardite Chemical Formula

While comparing Topaz and Lizardite 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 Lizardite chemical formula.

Chemical formula of Topaz- Al₂SiO₄(F,OH)₂
Chemical formula of Lizardite- Mg 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

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Topaz and Lizardite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Topaz and Lizardite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Topaz and Lizardite Optical Properties during the identification of gemstone. Specific gravity of Topaz is 2.55 whereas that of Lizardite is 2.55.