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Faustite and Hardystonite Physical Properties


Hardystonite and Faustite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.9   
3.396-3.443   

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

Cleavage
{???} Indistinct   
[001] good, [100] and [110] fair   

Mohs Hardness
4.5   
3-4   

Chemical Composition
(Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)   
Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)   

Optical Properties >>
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Faustite and Hardystonite Chemical Formula

While comparing Faustite and Hardystonite 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 Hardystonite chemical formula.

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Faustite and Hardystonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Faustite and Hardystonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Faustite and Hardystonite Optical Properties during the identification of gemstone. Specific gravity of Faustite is 3.396-3.443 whereas that of Hardystonite is 3.396-3.443.

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