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Spinel
Spinel

Omphacite
Omphacite



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Spinel
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Omphacite

Spinel and Omphacite Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
none
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.64-3.663.16-3.43
Amber
1 7.18
1.5 Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
1.6 Cleavage
None, but may exhibit slight parting
{110} Good, {110} Good
1.7 Mohs Hardness
85-6
Amber
2 10
1.8 Chemical Composition
MgAl2O4
(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)

Spinel and Omphacite Chemical Formula

While comparing Spinel and Omphacite 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 Spinel and Omphacite chemical formula.

  • Chemical formula of Spinel- MgAl2O4
  • Chemical formula of Omphacite- (Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)

Spinel and Omphacite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spinel and Omphacite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spinel and Omphacite Optical Properties during the identification of gemstone. Specific gravity of Spinel is 3.16-3.43 whereas that of Omphacite is 3.16-3.43.