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Topaz
Topaz

Witherite
Witherite



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Topaz
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Witherite

Topaz and Witherite 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
 
-
-
-
4.27-4.35
Conchoidal
{010} Distinct
3-3.5
BaCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Topaz and Witherite Chemical Formula

While comparing Topaz and Witherite 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 Witherite chemical formula.

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Topaz and Witherite Specific Gravity

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