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Precious Opal
Precious Opal

Kutnohorite
Kutnohorite



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Precious Opal
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Kutnohorite

Precious Opal and Kutnohorite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.98-2.25
Conchoidal
None
5-6.5
SiO 2 · nH 2OGemdat.org , Management Team (2012)
 
Brittle
Soluble
-
3.12
Subconchoidal, Conchoidal
Perfect on {10 1 1}
3-4
Ca(Mn,Mg,Fe)(CO3)2

Precious Opal and Kutnohorite Chemical Formula

While comparing Precious Opal and Kutnohorite 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 Precious Opal and Kutnohorite chemical formula.

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Precious Opal and Kutnohorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Precious Opal and Kutnohorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Precious Opal Vs Kutnohorite during the identification of gemstone. Specific gravity of Precious Opal is whereas that of Kutnohorite is .