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Omphacite
Omphacite

Creedite
Creedite



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Omphacite
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Creedite

Omphacite and Creedite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.16-3.432.70
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
1.6 Cleavage
{110} Good, {110} Good
Perfect on {100}
1.7 Mohs Hardness
5-64.5
Amber
2 10
1.8 Chemical Composition
(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)
Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.

Omphacite and Creedite Chemical Formula

While comparing Omphacite and Creedite 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 Creedite chemical formula.

  • Chemical formula of Omphacite- (Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)
  • Chemical formula of Creedite- Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.

Omphacite and Creedite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Omphacite and Creedite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Omphacite and Creedite Optical Properties during the identification of gemstone. Specific gravity of Omphacite is 2.70 whereas that of Creedite is 2.70.