Kyanite and Gaylussite Physical Properties

Kyanite

Gaylussite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

decomposes in water

1.3 Durability

Not Available

1.4 Specific Gravity

3.53-3.651.93-1.99

1 7.18

1.5 Fracture

Splintery, Brittle, Metallic

Conchoidal, Conchoidal, Brittle

1.6 Cleavage

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

perfect [110]

1.7 Mohs Hardness

4-72.5

2 10

1.8 Chemical Composition

Not Available

Na2Ca(CO3)2•5(H2O)

Kyanite and Gaylussite Chemical Formula

While comparing Kyanite and Gaylussite 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 Kyanite and Gaylussite chemical formula.

Chemical formula of Gaylussite- Na2Ca(CO3)2•5(H2O)

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Kyanite and Gaylussite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kyanite and Gaylussite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kyanite and Gaylussite Optical Properties during the identification of gemstone. Specific gravity of Kyanite is 1.93-1.99 whereas that of Gaylussite is 1.93-1.99.