Kyanite and Sussexite Physical Properties

Kyanite

Sussexite

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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

3.53-3.653.30

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

4-73-3.5

2 10

1.8 Chemical Composition

Not Available

Mn2+ BO 2(OH)Anthony et al , Handbook of mineralogy (2001)

Kyanite and Sussexite Chemical Formula

While comparing Kyanite and Sussexite 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 Sussexite chemical formula.

Chemical formula of Sussexite- Mn2+ BO 2(OH)Anthony et al , Handbook of mineralogy (2001)

Compare Blue Gemstones

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Kyanite Vs Swiss blue topaz

Kyanite Vs Blue quartz

Kyanite and Sussexite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kyanite and Sussexite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kyanite and Sussexite Optical Properties during the identification of gemstone. Specific gravity of Kyanite is 3.30 whereas that of Sussexite is 3.30.