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Ruby
Ruby

Kurnakovite
Kurnakovite



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Ruby
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Kurnakovite

Ruby and Kurnakovite Physical Properties

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Physical Properties

Tenacity

Brittle
-

Solubility

-
Soluble

Durability

-
-

Specific Gravity

3.97-4.051.847-1.852
1 7.18
👆🏻

Fracture

Conchoidal
Conchoidal

Cleavage

No true cleavage
Poor to indistinct on {010}

Mohs Hardness

92-3
2 10
👆🏻

Chemical Composition

Al 2 O 3
Ca3Al3(SiO4)3(OH)

Ruby and Kurnakovite Chemical Formula

While comparing Ruby and Kurnakovite 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 Ruby and Kurnakovite chemical formula.

  • Chemical formula of Ruby- Al 2 O 3
  • Chemical formula of Kurnakovite- Ca3Al3(SiO4)3(OH)

Ruby and Kurnakovite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Kurnakovite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Kurnakovite Optical Properties during the identification of gemstone. Specific gravity of Ruby is 1.847-1.852 whereas that of Kurnakovite is 1.847-1.852.