Omphacite and Mellite Physical Properties

Omphacite

Mellite

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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

3.16-3.431.58-1.60

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

{110} Good, {110} Good

{011} Imperfect

1.7 Mohs Hardness

5-62

2 10

1.8 Chemical Composition

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

Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

Omphacite and Mellite Chemical Formula

While comparing Omphacite and Mellite 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 Mellite chemical formula.

Chemical formula of Omphacite- (Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Mellite- Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

Compare Green Gemstones

Omphacite Vs Prase Opal

Omphacite Vs Powellite

Omphacite Vs Pleonaste

Omphacite and Mellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Omphacite and Mellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Omphacite and Mellite Optical Properties during the identification of gemstone. Specific gravity of Omphacite is 1.58-1.60 whereas that of Mellite is 1.58-1.60.