Topaz and Leucophanite Physical Properties

Topaz

Leucophanite

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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

3.49-3.57Not Available

1 7.18

1.5 Fracture

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

Brittle, Metallic

1.6 Cleavage

[001] Perfect

{???} Good, {???} Good, {???} Distinct

1.7 Mohs Hardness

8Not Available

2 10

1.11 Chemical Composition

Al₂SiO₄(F,OH)₂

Not Available

Topaz and Leucophanite Chemical Formula

While comparing Topaz and Leucophanite 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 Leucophanite chemical formula.

Chemical formula of Topaz- Al₂SiO₄(F,OH)₂

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Topaz and Leucophanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Topaz and Leucophanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Topaz and Leucophanite Optical Properties during the identification of gemstone. Specific gravity of Topaz is Not Available whereas that of Leucophanite is Not Available.