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Kurnakovite
Kurnakovite

Opal
Opal



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Kurnakovite
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Opal

Kurnakovite and Opal Physical Properties

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Physical Properties

Tenacity

-
BrittleWalter Schumann

Solubility

Soluble
hot salt water

Durability

-
-

Specific Gravity

1.847-1.8521.98-2.25
1 7.18
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Fracture

Conchoidal
Conchoidal

Cleavage

Poor to indistinct on {010}
None

Mohs Hardness

2-35-6.5
2 10
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Chemical Composition

Ca3Al3(SiO4)3(OH)
SiO2 · nH2O

Kurnakovite and Opal Chemical Formula

While comparing Kurnakovite and Opal 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 Opal chemical formula.

  • Chemical formula of Kurnakovite- Ca3Al3(SiO4)3(OH)
  • Chemical formula of Opal- SiO2 · nH2O

Kurnakovite and Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kurnakovite and Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kurnakovite and Opal Optical Properties during the identification of gemstone. Specific gravity of Kurnakovite is 1.98-2.25 whereas that of Opal is 1.98-2.25.