Faustite and Jet Physical Properties

Faustite

Jet

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.91.19-1.35

1 7.18

1.5 Fracture

Conchoidal, ConchoidalAnthony et al, Conchoidal, Brittle, Conchoidal

ConchoidalWalter Schumann, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

1.6 Cleavage

{???} Indistinct

Not Available

1.7 Mohs Hardness

4.52.5-4

2 10

1.8 Chemical Composition

(Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Not Available

Faustite and Jet Chemical Formula

While comparing Faustite and Jet 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 Jet chemical formula.

Chemical formula of Faustite- (Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Faustite and Jet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Faustite and Jet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Faustite and Jet Optical Properties during the identification of gemstone. Specific gravity of Faustite is 1.19-1.35 whereas that of Jet is 1.19-1.35.