Forsterite and Omphacite Physical Properties

Forsterite

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

3.23-3.263.16-3.43

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Perfect on {010} imperfect on {100}

{110} Good, {110} Good

1.7 Mohs Hardness

6.5-75-6

2 10

1.8 Chemical Composition

Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Forsterite and Omphacite Chemical Formula

While comparing Forsterite 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 Forsterite and Omphacite chemical formula.

Chemical formula of Forsterite- Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Omphacite- (Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)

Compare Green Gemstones

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Forsterite Vs Grossular

Forsterite Vs Hackmanite

Forsterite and Omphacite Specific Gravity

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