Omphacite and Coral Physical Properties

Omphacite

Coral

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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

3.16-3.43

2.60-2.70

1.5 Fracture

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

Irregular, Irregular, Gemstones of the world (2001)

1.6 Cleavage

{110} Good, {110} Good

Not Available

1.7 Mohs Hardness

5-6

3-4

1.8 Chemical Composition

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

CaCO 3Ulrich Henn and Claudio C.

Omphacite and Coral Chemical Formula

While comparing Omphacite and Coral 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 Coral chemical formula.

Chemical formula of Omphacite- (Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Coral- CaCO 3Ulrich Henn and Claudio C.

Compare Green Gemstones

Omphacite Vs Prase Opal

Omphacite Vs Pleonaste

Omphacite Vs Powellite

Omphacite and Coral Specific Gravity

Another important criteria for qualitative analysis of gemstones is Omphacite and Coral Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Omphacite and Coral Optical Properties during the identification of gemstone. Specific gravity of Omphacite is 2.60-2.70 whereas that of Coral is 2.60-2.70.