Prasiolite and Omphacite Physical Properties

Prasiolite

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

2.653.16-3.43

1 7.18

1.5 Fracture

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

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

1.6 Cleavage

3,1

{110} Good, {110} Good

1.7 Mohs Hardness

75-6

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

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

Prasiolite and Omphacite Chemical Formula

While comparing Prasiolite 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 Prasiolite and Omphacite chemical formula.

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

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Prasiolite and Omphacite Specific Gravity

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