Jet and Omphacite Physical Properties

Jet

Omphacite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.19-1.353.16-3.43

1 7.18

1.5 Fracture

ConchoidalWalter Schumann, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

Not Available

{110} Good, {110} Good

1.7 Mohs Hardness

2.5-45-6

2 10

1.8 Chemical Composition

Not Available

(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)

Jet and Omphacite Chemical Formula

While comparing Jet and Omphacite 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 Jet and Omphacite chemical formula.

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

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Jet and Omphacite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jet and Omphacite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jet and Omphacite Optical Properties during the identification of gemstone. Specific gravity of Jet is 3.16-3.43 whereas that of Omphacite is 3.16-3.43.