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Topaz
Topaz

Annabergite
Annabergite



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Topaz
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Annabergite

Topaz and Annabergite 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
-
-
3.07
-
Perfect on {010}, indistinct on {100} and {102}
2
Ni3(AsO4)2•8(H2O)

Topaz and Annabergite Chemical Formula

While comparing Topaz and Annabergite 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 Annabergite chemical formula.

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Topaz and Annabergite Specific Gravity

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