Moonstone and Kyanite Physical Properties

Moonstone

Kyanite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.56-2.603.53-3.65

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

Splintery, Brittle, Metallic

1.6 Cleavage

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

[100] perfect [010] imperfect with 79° angle between

1.7 Mohs Hardness

6-6.54-7

2 10

1.8 Chemical Composition

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

Not Available

Moonstone and Kyanite Chemical Formula

While comparing Moonstone and Kyanite 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 Kyanite chemical formula.

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

Compare Semi Precious Gemstones

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Moonstone Vs Alexandrite

Moonstone Vs Lehsunia

Moonstone and Kyanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Moonstone and Kyanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Moonstone and Kyanite Optical Properties during the identification of gemstone. Specific gravity of Moonstone is 3.53-3.65 whereas that of Kyanite is 3.53-3.65.