Barite and Topaz Physical Properties

Barite

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

4.483.49-3.57

1 7.18

1.5 Fracture

Uneven

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

1.6 Cleavage

{010} Perfect, {210} Perfect, {010} Imperfect

[001] Perfect

1.7 Mohs Hardness

3-3.58

2 10

1.8 Chemical Composition

BaSO4

Al₂SiO₄(F,OH)₂

Barite and Topaz Chemical Formula

While comparing Barite 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 Barite and Topaz chemical formula.

Chemical formula of Barite- BaSO4
Chemical formula of Topaz- Al₂SiO₄(F,OH)₂

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Barite and Topaz Specific Gravity

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