Moonstone and Pargasite Physical Properties

Moonstone

Pargasite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.56-2.603.04-3.26

1 7.18

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Fracture

Uneven, ConchoidalWalter Schumann

Splintery, Uneven

Cleavage

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

{110} perfect

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

NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Moonstone and Pargasite Chemical Formula

While comparing Moonstone and Pargasite 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 Pargasite chemical formula.

Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈
Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Semi Precious Gemstones

Moonstone Vs Rubellite

Moonstone Vs Schorlomite

Moonstone Vs Simpsonite

Moonstone and Pargasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Moonstone and Pargasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Moonstone and Pargasite Optical Properties during the identification of gemstone. Specific gravity of Moonstone is 3.04-3.26 whereas that of Pargasite is 3.04-3.26.