Kyanite and Cacoxenite Physical Properties

Kyanite

Cacoxenite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.53-3.652.2-2.6

1 7.18

1.5 Fracture

Splintery, Brittle, Metallic

Uneven

1.6 Cleavage

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

None

1.7 Mohs Hardness

4-73-4

2 10

1.8 Chemical Composition

Not Available

(Fe+++,Al)25(PO4)17O6(OH)12•75(H2O)

Kyanite and Cacoxenite Chemical Formula

While comparing Kyanite and Cacoxenite 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 Cacoxenite chemical formula.

Chemical formula of Cacoxenite- (Fe+++,Al)25(PO4)17O6(OH)12•75(H2O)

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Kyanite and Cacoxenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kyanite and Cacoxenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kyanite and Cacoxenite Optical Properties during the identification of gemstone. Specific gravity of Kyanite is 2.2-2.6 whereas that of Cacoxenite is 2.2-2.6.