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Faustite and Mottramite Physical Properties


Mottramite and Faustite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Soluble   

Durability
Not Available   
Not Available   

Specific Gravity
2.9   
5.9   

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

Cleavage
{???} Indistinct   
None observed   

Mohs Hardness
4.5   
3   

Chemical Composition
(Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)   
Not Available   

Optical Properties >>
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Faustite and Mottramite Chemical Formula

While comparing Faustite and Mottramite 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 Mottramite chemical formula.

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Faustite and Mottramite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Faustite and Mottramite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Faustite and Mottramite Optical Properties during the identification of gemstone. Specific gravity of Faustite is 5.9 whereas that of Mottramite is 5.9.

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Green Gemstones


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