Moonstone and Omphacite Physical Properties

Moonstone

Omphacite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.56-2.603.16-3.43

1 7.18

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Fracture

Uneven, ConchoidalWalter Schumann

Uneven, Conchoidal

Cleavage

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

{110} Good, {110} Good

Mohs Hardness

6-6.55-6

2 10

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Chemical Composition

Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈

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

Moonstone and Omphacite Chemical Formula

While comparing Moonstone 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 Moonstone and Omphacite chemical formula.

Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈
Chemical formula of Omphacite- (Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)

Compare Semi Precious Gemstones

Moonstone Vs Rubellite

Moonstone Vs Schorlomite

Moonstone Vs Simpsonite

Moonstone and Omphacite Specific Gravity

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