Prase and Omphacite Physical Properties

Prase

Omphacite

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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

2.64-2.693.16-3.43

1 7.18

1.5 Fracture

Gems, Sixth Edition (2006), Gems, Sixth Edition (2006)

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

1.6 Cleavage

Not Available

{110} Good, {110} Good

1.7 Mohs Hardness

75-6

2 10

1.8 Chemical Composition

SiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Prase and Omphacite Chemical Formula

While comparing Prase 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 Prase and Omphacite chemical formula.

Chemical formula of Prase- SiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Omphacite- (Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)

Compare Blue Gemstones

Prase Vs Sanidine

Prase Vs Sapphire

Prase Vs Rubellite

Prase and Omphacite Specific Gravity

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