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Annabergite and Hematite Physical Properties


Hematite and Annabergite Physical Properties


Physical Properties

Tenacity
Sectile   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.07   
5.00-5.30   

Fracture
Brittle, Metallic, Brittle, Metallic, Brittle, Metallic   
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle   

Cleavage
Perfect on {010}, indistinct on {100} and {102}   
None, may show partings on {0001} and {10 1 1}   

Mohs Hardness
2   
6   

Chemical Composition
Ni3(AsO4)2•8(H2O)   
Fe 2O 3Arthur Thomas , Gemstones (2009)   

Optical Properties >>
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Annabergite and Hematite Chemical Formula

While comparing Annabergite and Hematite 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 Annabergite and Hematite chemical formula.

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Annabergite and Hematite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Annabergite and Hematite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Annabergite and Hematite Optical Properties during the identification of gemstone. Specific gravity of Annabergite is 5.00-5.30 whereas that of Hematite is 5.00-5.30.

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