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Colemanite
Colemanite

Kurnakovite
Kurnakovite



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Colemanite
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Kurnakovite

Colemanite and Kurnakovite Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
Soluble

Durability

-
-

Specific Gravity

2.40-2.421.847-1.852
1 7.18
👆🏻

Fracture

-
Conchoidal

Cleavage

{010} Perfect, {001} Distinct
Poor to indistinct on {010}

Mohs Hardness

4.52-3
2 10
👆🏻

Chemical Composition

Ca 2B 6O 11 · 5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Ca3Al3(SiO4)3(OH)

Colemanite and Kurnakovite Chemical Formula

While comparing Colemanite 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 Colemanite and Kurnakovite chemical formula.

  • Chemical formula of Colemanite- Ca 2B 6O 11 · 5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Kurnakovite- Ca3Al3(SiO4)3(OH)

Colemanite and Kurnakovite Specific Gravity

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