Omphacite and Caledonite Physical Properties

Omphacite

Caledonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.16-3.435.6-5.76

1 7.18

1.5 Fracture

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

Uneven, UnevenAnthony et al, Handbook of mineralogy (2001)

1.6 Cleavage

{110} Good, {110} Good

[001] perfect; [100] distinct

1.7 Mohs Hardness

5-62.5-3

2 10

1.8 Chemical Composition

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

Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

Omphacite and Caledonite Chemical Formula

While comparing Omphacite and Caledonite 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 Caledonite chemical formula.

Chemical formula of Omphacite- (Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

Compare Green Gemstones

Omphacite Vs Powellite

Omphacite Vs Prase Opal

Omphacite Vs Pleonaste

Omphacite and Caledonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Omphacite and Caledonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Omphacite and Caledonite Optical Properties during the identification of gemstone. Specific gravity of Omphacite is 5.6-5.76 whereas that of Caledonite is 5.6-5.76.