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Andesine and Annabergite Physical Properties


Annabergite and Andesine Physical Properties


Physical Properties

Tenacity
Brittle   
Sectile   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.65-2.69   
3.07   

Fracture
Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)   
Brittle, Metallic, Brittle, Metallic, Brittle, Metallic   

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

Mohs Hardness
6-6.5   
2   

Chemical Composition
(Na,Ca)Al1-2Si3-2O8   
Ni3(AsO4)2•8(H2O)   

Optical Properties >>
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Andesine and Annabergite Chemical Formula

While comparing Andesine 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 Andesine and Annabergite chemical formula.

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Andesine and Annabergite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andesine and Annabergite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andesine and Annabergite Optical Properties during the identification of gemstone. Specific gravity of Andesine is 3.07 whereas that of Annabergite is 3.07.

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Red Gemstones


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