Omphacite and Hiddenite Physical Properties

Omphacite

Hiddenite

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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

3.16-3.433.15-3.21

1 7.18

1.5 Fracture

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

Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

{110} Good, {110} Good

1,2 prismatic

1.7 Mohs Hardness

5-66-7

2 10

1.8 Chemical Composition

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

LiAlSi₂O₆

Omphacite and Hiddenite Chemical Formula

While comparing Omphacite and Hiddenite 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 Hiddenite chemical formula.

Chemical formula of Omphacite- (Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Hiddenite- LiAlSi₂O₆

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Omphacite and Hiddenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Omphacite and Hiddenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Omphacite and Hiddenite Optical Properties during the identification of gemstone. Specific gravity of Omphacite is 3.15-3.21 whereas that of Hiddenite is 3.15-3.21.