Moonstone and Lazurite Physical Properties

Moonstone

Lazurite

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Physical Properties

Tenacity

Brittle

Solubility

Soluble

Durability

Specific Gravity

2.56-2.602.75

1 7.18

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Fracture

Uneven, ConchoidalWalter Schumann

Uneven, Conchoidal

Cleavage

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

Imperfect on {110}

Mohs Hardness

6-6.55.5

2 10

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Chemical Composition

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

(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.

Moonstone and Lazurite Chemical Formula

While comparing Moonstone and Lazurite 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 Lazurite chemical formula.

Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈
Chemical formula of Lazurite- (Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.

Compare Semi Precious Gemstones

Moonstone Vs Rubellite

Moonstone Vs Schorlomite

Moonstone Vs Simpsonite

Moonstone and Lazurite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Moonstone and Lazurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Moonstone and Lazurite Optical Properties during the identification of gemstone. Specific gravity of Moonstone is 2.75 whereas that of Lazurite is 2.75.