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Topaz
Topaz

Brucite
Brucite



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Topaz
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Brucite

Topaz and Brucite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.49-3.57
Subconchoidal, Uneven, Conchoidal
[001] Perfect
8
Al2SiO4(F,OH)2
 
Sectile
-
-
2.39
Irregular
Perfect on {0001}
2.5
Mg(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Topaz and Brucite Chemical Formula

While comparing Topaz and Brucite 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 Brucite chemical formula.

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Topaz and Brucite Specific Gravity

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