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Kurnakovite
Kurnakovite

Star Ruby
Star Ruby



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Kurnakovite
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Star Ruby

Kurnakovite and Star Ruby Physical Properties

Physical Properties

Tenacity

-
-

Solubility

Soluble
-

Durability

-
-

Specific Gravity

1.847-1.8523.95-4.10
1 7.18
👆🏻

Fracture

Conchoidal
Uneven

Cleavage

Poor to indistinct on {010}
None

Mohs Hardness

2-3-9999
2 10
👆🏻

Chemical Composition

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

Kurnakovite and Star Ruby Chemical Formula

While comparing Kurnakovite and Star Ruby 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 Star Ruby chemical formula.

  • Chemical formula of Kurnakovite- Ca3Al3(SiO4)3(OH)
  • Chemical formula of Star Ruby- Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Kurnakovite and Star Ruby Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kurnakovite and Star Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kurnakovite and Star Ruby Optical Properties during the identification of gemstone. Specific gravity of Kurnakovite is 3.95-4.10 whereas that of Star Ruby is 3.95-4.10.