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Faustite and Atacamite Physical Properties


Atacamite and Faustite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.9   
3.745-3.776   

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

Cleavage
{???} Indistinct   
Perfect on {010}, fair on {101}   

Mohs Hardness
4.5   
3-3.5   

Chemical Composition
(Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)   
Cu2Cl(OH)3   

Optical Properties >>
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Faustite and Atacamite Chemical Formula

While comparing Faustite and Atacamite 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 Atacamite chemical formula.

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Faustite and Atacamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Faustite and Atacamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Faustite and Atacamite Optical Properties during the identification of gemstone. Specific gravity of Faustite is 3.745-3.776 whereas that of Atacamite is 3.745-3.776.

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Green Gemstones


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