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Faustite
Faustite

Villiaumite
Villiaumite



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Faustite
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Villiaumite

Faustite and Villiaumite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.92.79
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalAnthony et al, Conchoidal, Brittle, Conchoidal
Brittle, Metallic
1.6 Cleavage
{???} Indistinct
{100} Perfect, {010} Perfect, {001} Perfect
1.7 Mohs Hardness
4.52
Amber
2 10
1.8 Chemical Composition
(Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
NaFUlrich Henn and Claudio C.

Faustite and Villiaumite Chemical Formula

While comparing Faustite and Villiaumite 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 Villiaumite chemical formula.

  • Chemical formula of Faustite- (Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Villiaumite- NaFUlrich Henn and Claudio C.

Faustite and Villiaumite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Faustite and Villiaumite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Faustite and Villiaumite Optical Properties during the identification of gemstone. Specific gravity of Faustite is 2.79 whereas that of Villiaumite is 2.79.