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Kurnakovite
Kurnakovite

Dumortierite
Dumortierite



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Kurnakovite
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Dumortierite

Kurnakovite and Dumortierite Physical Properties

Physical Properties

Tenacity

-
-

Solubility

Soluble
-

Durability

-
-

Specific Gravity

1.847-1.8523.26-3.41
1 7.18
👆🏻

Fracture

Conchoidal
Fibrous, ConchoidalWalter Schumann

Cleavage

Poor to indistinct on {010}
Distinct on {100}, poor on {110}; parting on {001}

Mohs Hardness

2-37-8.5
2 10
👆🏻

Chemical Composition

Ca3Al3(SiO4)3(OH)
AlAl6O3BSi3O18

Kurnakovite and Dumortierite Chemical Formula

While comparing Kurnakovite and Dumortierite 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 Dumortierite chemical formula.

  • Chemical formula of Kurnakovite- Ca3Al3(SiO4)3(OH)
  • Chemical formula of Dumortierite- AlAl6O3BSi3O18

Kurnakovite and Dumortierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kurnakovite and Dumortierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kurnakovite and Dumortierite Optical Properties during the identification of gemstone. Specific gravity of Kurnakovite is 3.26-3.41 whereas that of Dumortierite is 3.26-3.41.