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Omphacite
Omphacite

Opal
Opal



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Omphacite
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Opal

Omphacite and Opal Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
BrittleWalter Schumann
1.2 Solubility
Not Available
hot salt water
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.16-3.431.98-2.25
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Brittle
1.6 Cleavage
{110} Good, {110} Good
None
1.7 Mohs Hardness
5-65-6.5
Amber
2 10
1.8 Chemical Composition
(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)
SiO2 · nH2O

Omphacite and Opal Chemical Formula

While comparing Omphacite 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 Omphacite and Opal chemical formula.

  • Chemical formula of Omphacite- (Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)
  • Chemical formula of Opal- SiO2 · nH2O

Omphacite and Opal Specific Gravity

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