Clinozoisite and Kyanite Physical Properties

Clinozoisite

Kyanite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.21-3.383.53-3.65

1 7.18

1.5 Fracture

Irregular/uneven, Uneven

Splintery, Brittle, Metallic

1.6 Cleavage

Perfect on {001}

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

1.7 Mohs Hardness

6-74-7

2 10

1.8 Chemical Composition

Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Not Available

Clinozoisite and Kyanite Chemical Formula

While comparing Clinozoisite 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 Clinozoisite and Kyanite chemical formula.

Chemical formula of Clinozoisite- Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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Clinozoisite and Kyanite Specific Gravity

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