Wernerite and Kyanite Physical Properties

Wernerite

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

2.50-2.803.53-3.65

1 7.18

1.5 Fracture

Not Available

Splintery, Brittle, Metallic

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

5-6.54-7

2 10

1.8 Chemical Composition

Na 4(Al,Si) 12O 24Cl to Ca 4(Si,Al) 12O 24(CO 3,SO 4)Arthur Thomas , Gemstones (2009)

Not Available

Wernerite and Kyanite Chemical Formula

While comparing Wernerite 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 Wernerite and Kyanite chemical formula.

Chemical formula of Wernerite- Na 4(Al,Si) 12O 24Cl to Ca 4(Si,Al) 12O 24(CO 3,SO 4)Arthur Thomas , Gemstones (2009)

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Wernerite and Kyanite Specific Gravity

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