Omphacite and Lepidolite Physical Properties

Omphacite

Lepidolite

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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

3.16-3.432.80-2.90

1 7.18

1.5 Fracture

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

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

{110} Good, {110} Good

{001} perfect

1.7 Mohs Hardness

5-62.5

2 10

1.8 Chemical Composition

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

Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.

Omphacite and Lepidolite Chemical Formula

While comparing Omphacite and Lepidolite 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 Lepidolite chemical formula.

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

Compare Green Gemstones

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Omphacite Vs Prase Opal

Omphacite Vs Powellite

Omphacite and Lepidolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Omphacite and Lepidolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Omphacite and Lepidolite Optical Properties during the identification of gemstone. Specific gravity of Omphacite is 2.80-2.90 whereas that of Lepidolite is 2.80-2.90.