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Poldervaartite
Poldervaartite

Faustite
Faustite



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Poldervaartite
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Faustite

Poldervaartite and Faustite 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
2.91
2.9
1.5 Fracture
Handbook of mineralogy (2001)
Conchoidal, ConchoidalAnthony et al, Conchoidal, Brittle, Conchoidal
1.6 Cleavage
None
{???} Indistinct
1.7 Mohs Hardness
Not Available
4.5
1.8 Chemical Composition
(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)
(Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)

Poldervaartite and Faustite Chemical Formula

While comparing Poldervaartite 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 Poldervaartite and Faustite chemical formula.

  • Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)
  • Chemical formula of Faustite- (Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)

Poldervaartite and Faustite Specific Gravity

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