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Kurnakovite
Kurnakovite

Gahnite
Gahnite



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Kurnakovite
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Gahnite

Kurnakovite and Gahnite Physical Properties

Physical Properties

Tenacity

-
-

Solubility

Soluble
-

Durability

-
-

Specific Gravity

1.847-1.8524.00-4.62
1 7.18
👆🏻

Fracture

Conchoidal
Conchoidal, Uneven

Cleavage

Poor to indistinct on {010}
Indistinct parting on [111]

Mohs Hardness

2-37.5-8
2 10
👆🏻

Chemical Composition

Ca3Al3(SiO4)3(OH)
ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Kurnakovite and Gahnite Chemical Formula

While comparing Kurnakovite 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 Kurnakovite and Gahnite chemical formula.

  • Chemical formula of Kurnakovite- Ca3Al3(SiO4)3(OH)
  • Chemical formula of Gahnite- ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Kurnakovite and Gahnite Specific Gravity

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