Omphacite and Fluorite Physical Properties

Omphacite

Fluorite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

slightly water soluble and in hot hydrochloric acid

1.3 Durability

Not Available

1.4 Specific Gravity

3.16-3.433.00-3.25

1 7.18

1.5 Fracture

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

Subconchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

1.6 Cleavage

{110} Good, {110} Good

Octahedral, perfect on {111}, parting on {011}

1.7 Mohs Hardness

5-64

2 10

1.8 Chemical Composition

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

CaF₂

Omphacite and Fluorite Chemical Formula

While comparing Omphacite and Fluorite 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 Fluorite chemical formula.

Chemical formula of Omphacite- (Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Fluorite- CaF₂

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Omphacite and Fluorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Omphacite and Fluorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Omphacite and Fluorite Optical Properties during the identification of gemstone. Specific gravity of Omphacite is 3.00-3.25 whereas that of Fluorite is 3.00-3.25.