Periclase and Omphacite Physical Properties

Periclase

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

3.7-3.93.16-3.43

1 7.18

1.5 Fracture

Conchoidal, Brittle

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

1.6 Cleavage

{001} perfect; {111} imperfect, may exhibit parting on , {011}

{110} Good, {110} Good

1.7 Mohs Hardness

5.5-65-6

2 10

1.8 Chemical Composition

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

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

Periclase and Omphacite Chemical Formula

While comparing Periclase 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 Periclase and Omphacite chemical formula.

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

Compare Gems Found In Australia

Periclase Vs Scheelite

Periclase Vs Sapphire

Periclase Vs Rinkite Ce

Periclase and Omphacite Specific Gravity

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