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Amethyst and Faustite Physical Properties


Faustite and Amethyst Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
insoluble in common solvents   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.65   
2.9   

Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)   
Conchoidal, ConchoidalAnthony et al, Conchoidal, Brittle, Conchoidal   

Cleavage
Indiscernible   
{???} Indistinct   

Mohs Hardness
7   
4.5   

Chemical Composition
SiO2   
(Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Amethyst and Faustite Chemical Formula

While comparing Amethyst and Faustite 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 Amethyst and Faustite chemical formula.

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Amethyst and Faustite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Amethyst and Faustite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amethyst and Faustite Optical Properties during the identification of gemstone. Specific gravity of Amethyst is 2.9 whereas that of Faustite is 2.9.

Semi Precious

Semi Precious


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