Kyanite and Cymophane Physical Properties

Kyanite

Cymophane

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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

3.53-3.653.69-3.81

1 7.18

1.5 Fracture

Splintery, Brittle, Metallic

Not Available

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

4-78.5

2 10

1.8 Chemical Composition

Not Available

BeAl 2O 4Arthur Thomas , Gemstones (2009)

Kyanite and Cymophane Chemical Formula

While comparing Kyanite and Cymophane 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 Cymophane chemical formula.

Chemical formula of Cymophane- BeAl 2O 4Arthur Thomas , Gemstones (2009)

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Kyanite and Cymophane Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kyanite and Cymophane Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kyanite and Cymophane Optical Properties during the identification of gemstone. Specific gravity of Kyanite is 3.69-3.81 whereas that of Cymophane is 3.69-3.81.