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Topaz and Annabergite Physical Properties


Annabergite and Topaz Physical Properties


Physical Properties

Tenacity
Not Available   
Sectile   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.49-3.57   
3.07   

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

Cleavage
[001] Perfect   
Perfect on {010}, indistinct on {100} and {102}   

Mohs Hardness
8   
2   

Chemical Composition
Al2SiO4(F,OH)2   
Ni3(AsO4)2•8(H2O)   

Optical Properties >>
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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 and Annabergite Optical Properties during the identification of gemstone. Specific gravity of Topaz is 3.07 whereas that of Annabergite is 3.07.

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