Omphacite and Gahnospinel Physical Properties

Omphacite

Gahnospinel

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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

3.16-3.433.65-4.55

1 7.18

1.5 Fracture

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

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{110} Good, {110} Good

None, but may exhibit slight parting

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)

(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

Omphacite and Gahnospinel Chemical Formula

While comparing Omphacite and Gahnospinel 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 Gahnospinel chemical formula.

Chemical formula of Omphacite- (Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

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Omphacite and Gahnospinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Omphacite and Gahnospinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Omphacite and Gahnospinel Optical Properties during the identification of gemstone. Specific gravity of Omphacite is 3.65-4.55 whereas that of Gahnospinel is 3.65-4.55.