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Faustite
Faustite

Spodumene
Spodumene



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Spodumene

Faustite and Spodumene Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.9
Conchoidal
{???} Indistinct
4.5
(Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
 
Brittle
insoluble
-
3.15-3.21
Uneven, Subconchoidal
Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°
6-7
LiAlSi2O6

Faustite and Spodumene Chemical Formula

While comparing Faustite and Spodumene 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 Spodumene chemical formula.

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Faustite and Spodumene Specific Gravity

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