Richterite and Topaz Physical Properties

Richterite

Topaz

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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

3.0-3.53.49-3.57

1 7.18

1.5 Fracture

Uneven, Brittle

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

1.6 Cleavage

Perfect

[001] Perfect

1.7 Mohs Hardness

5-68

2 10

1.8 Chemical Composition

Not Available

Al₂SiO₄(F,OH)₂

Richterite and Topaz Chemical Formula

While comparing Richterite and Topaz 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 Richterite and Topaz chemical formula.

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

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Richterite and Topaz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Richterite and Topaz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Richterite and Topaz Optical Properties during the identification of gemstone. Specific gravity of Richterite is 3.49-3.57 whereas that of Topaz is 3.49-3.57.