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Faustite
Faustite

Piemontite
Piemontite



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Faustite and Piemontite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.9
Not Available
1.5 Fracture
Conchoidal, ConchoidalAnthony et al, Conchoidal, Brittle, Conchoidal
Uneven, Splintery
1.6 Cleavage
{???} Indistinct
[001] good, [100] distinct
1.7 Mohs Hardness
4.5
6-6.5
1.8 Chemical Composition
(Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
Not Available

Faustite and Piemontite Chemical Formula

While comparing Faustite and Piemontite 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 Piemontite chemical formula.

  • Chemical formula of Faustite- (Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
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Faustite and Piemontite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Faustite and Piemontite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Faustite and Piemontite Optical Properties during the identification of gemstone. Specific gravity of Faustite is Not Available whereas that of Piemontite is Not Available.