Omphacite and Peridot Physical Properties

Omphacite

Peridot

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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

3.16-3.431.54-1.55

1 7.18

1.5 Fracture

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

Conchoidal

1.6 Cleavage

{110} Good, {110} Good

Poor

1.7 Mohs Hardness

5-66.5-7

2 10

1.8 Chemical Composition

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

(Mg,Fe)₂SiO₄

Omphacite and Peridot Chemical Formula

While comparing Omphacite and Peridot 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 Peridot chemical formula.

Chemical formula of Omphacite- (Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Peridot- (Mg,Fe)₂SiO₄

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Omphacite and Peridot Specific Gravity

Another important criteria for qualitative analysis of gemstones is Omphacite and Peridot Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Omphacite and Peridot Optical Properties during the identification of gemstone. Specific gravity of Omphacite is 1.54-1.55 whereas that of Peridot is 1.54-1.55.