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Faustite
Faustite

Eosphorite
Eosphorite



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Faustite
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Eosphorite

Faustite and Eosphorite 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
2.93.05-3.08
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalAnthony et al, Conchoidal, Brittle, Conchoidal
Subconchoidal, Uneven, Conchoidal, Uneven
1.6 Cleavage
{???} Indistinct
Poor on {100}
1.7 Mohs Hardness
4.55
Amber
2 10
1.8 Chemical Composition
(Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
Mn2+ Al(PO 4)(OH) 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)

Faustite and Eosphorite Chemical Formula

While comparing Faustite and Eosphorite 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 Eosphorite 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 Eosphorite- Mn2+ Al(PO 4)(OH) 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)

Faustite and Eosphorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Faustite and Eosphorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Faustite and Eosphorite Optical Properties during the identification of gemstone. Specific gravity of Faustite is 3.05-3.08 whereas that of Eosphorite is 3.05-3.08.