Rosasite and Omphacite Physical Properties

Rosasite

Omphacite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Effervesces in cold

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4-4.23.16-3.43

1 7.18

1.5 Fracture

Splintery

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

1.6 Cleavage

Perfect on {100} and {010}

{110} Good, {110} Good

1.7 Mohs Hardness

45-6

2 10

1.8 Chemical Composition

Not Available

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

Rosasite and Omphacite Chemical Formula

While comparing Rosasite 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 Rosasite 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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Rosasite and Omphacite Specific Gravity

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