×

Jet
Jet

Gahnite
Gahnite



ADD
Compare
X
Jet
X
Gahnite

Jet and Gahnite Physical Properties

Jet
Jet
Add ⊕

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

1.19-1.354.00-4.62
1 7.18
👆🏻

Fracture

ConchoidalWalter Schumann
Conchoidal, Uneven

Cleavage

None
Indistinct parting on [111]

Mohs Hardness

2.5-47.5-8
2 10
👆🏻

Chemical Composition

C
ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Jet and Gahnite Chemical Formula

While comparing Jet and Gahnite 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 Gahnite chemical formula.

  • Chemical formula of Jet- C
  • Chemical formula of Gahnite- ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Jet and Gahnite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jet and Gahnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jet and Gahnite Optical Properties during the identification of gemstone. Specific gravity of Jet is 4.00-4.62 whereas that of Gahnite is 4.00-4.62.