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Faustite
Faustite

Carnelian
Carnelian



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Faustite
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Carnelian

Faustite and Carnelian 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
2.92.58-2.64
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalAnthony et al, Conchoidal, Brittle, Conchoidal
Uneven, Splintery, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
{???} Indistinct
Absent
1.7 Mohs Hardness
4.56.5-7
Amber
2 10
1.8 Chemical Composition
(Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
SiO2

Faustite and Carnelian Chemical Formula

While comparing Faustite and Carnelian 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 Carnelian 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 Carnelian- SiO2

Faustite and Carnelian Specific Gravity

Another important criteria for qualitative analysis of gemstones is Faustite and Carnelian Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Faustite and Carnelian Optical Properties during the identification of gemstone. Specific gravity of Faustite is 2.58-2.64 whereas that of Carnelian is 2.58-2.64.