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Faustite
Faustite

Coral
Coral



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Faustite and Coral Physical Properties

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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
2.9
2.60-2.70
1.5 Fracture
Conchoidal, ConchoidalAnthony et al, Conchoidal, Brittle, Conchoidal
Irregular, Irregular, Gemstones of the world (2001)
1.6 Cleavage
{???} Indistinct
Not Available
1.7 Mohs Hardness
4.5
3-4
1.8 Chemical Composition
(Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
CaCO 3Ulrich Henn and Claudio C.

Faustite and Coral Chemical Formula

While comparing Faustite and Coral 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 Coral 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 Coral- CaCO 3Ulrich Henn and Claudio C.

Faustite and Coral Specific Gravity

Another important criteria for qualitative analysis of gemstones is Faustite and Coral Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Faustite and Coral Optical Properties during the identification of gemstone. Specific gravity of Faustite is 2.60-2.70 whereas that of Coral is 2.60-2.70.

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