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Grandidierite
Grandidierite

Faustite
Faustite



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Grandidierite
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Faustite

Grandidierite and Faustite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.85-3.00
Uneven
Perfect
7.5
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
 
-
-
-
2.9
Conchoidal
{???} Indistinct
4.5
(Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)

Grandidierite and Faustite Chemical Formula

While comparing Grandidierite 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 Grandidierite and Faustite chemical formula.

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Grandidierite and Faustite Specific Gravity

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