Cavansite and Omphacite Physical Properties

Cavansite

Omphacite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.25-2.333.16-3.43

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic

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

1.6 Cleavage

Good on {010}

{110} Good, {110} Good

1.7 Mohs Hardness

3-45-6

2 10

1.8 Chemical Composition

Ca(VO)Si4O10•4(H2O)

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

Cavansite and Omphacite Chemical Formula

While comparing Cavansite 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 Cavansite and Omphacite chemical formula.

Chemical formula of Cavansite- Ca(VO)Si4O10•4(H2O)
Chemical formula of Omphacite- (Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)

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Cavansite and Omphacite Specific Gravity

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