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Faustite and Annabergite Physical Properties


Annabergite and Faustite Physical Properties


Physical Properties

Tenacity
Not Available   
Sectile   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.9   
3.07   

Fracture
Conchoidal, ConchoidalAnthony et al, Conchoidal, Brittle, Conchoidal   
Brittle, Metallic, Brittle, Metallic, Brittle, Metallic   

Cleavage
{???} Indistinct   
Perfect on {010}, indistinct on {100} and {102}   

Mohs Hardness
4.5   
2   

Chemical Composition
(Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)   
Ni3(AsO4)2•8(H2O)   

Optical Properties >>
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Faustite and Annabergite Chemical Formula

While comparing Faustite 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 Faustite and Annabergite chemical formula.

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Faustite and Annabergite Specific Gravity

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

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