Omphacite and Emerald Physical Properties

Omphacite

Emerald

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

Hard

1.4 Specific Gravity

3.16-3.432.67-2.78

1 7.18

1.5 Fracture

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

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

{110} Good, {110} Good

Imperfect on the [0001]

1.7 Mohs Hardness

5-67.5-8

2 10

1.8 Chemical Composition

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

Be₃Al₂SiO₆

Omphacite and Emerald Chemical Formula

While comparing Omphacite and Emerald 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 Emerald chemical formula.

Chemical formula of Omphacite- (Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Emerald- Be₃Al₂SiO₆

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Omphacite and Emerald Specific Gravity

Another important criteria for qualitative analysis of gemstones is Omphacite and Emerald Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Omphacite and Emerald Optical Properties during the identification of gemstone. Specific gravity of Omphacite is 2.67-2.78 whereas that of Emerald is 2.67-2.78.