×

Jet
Jet

Faustite
Faustite



ADD
Compare
X
Jet
X
Faustite

Jet and Faustite Physical Properties

Jet
Jet
Add ⊕

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

1.19-1.352.9
1 7.18
👆🏻

Fracture

ConchoidalWalter Schumann
Conchoidal

Cleavage

None
{???} Indistinct

Mohs Hardness

2.5-44.5
2 10
👆🏻

Chemical Composition

C
(Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)

Jet and Faustite Chemical Formula

While comparing Jet 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 Jet and Faustite chemical formula.

  • Chemical formula of Jet- C
  • Chemical formula of Faustite- (Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)

Jet and Faustite Specific Gravity

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