Kurnakovite and Topaz Physical Properties

Kurnakovite

Topaz

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.847-1.8523.49-3.57

1 7.18

1.5 Fracture

Brittle, Conchoidal

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

1.6 Cleavage

Poor to indistinct on {010}

[001] Perfect

1.7 Mohs Hardness

2-38

2 10

1.8 Chemical Composition

Not Available

Al₂SiO₄(F,OH)₂

Kurnakovite and Topaz Chemical Formula

While comparing Kurnakovite 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 Kurnakovite and Topaz chemical formula.

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

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Kurnakovite and Topaz Specific Gravity

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