Kyanite and Papagoite Physical Properties

Kyanite

Papagoite

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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

3.53-3.653.25

1 7.18

1.5 Fracture

Splintery, Brittle, Metallic

Brittle, Metallic

1.6 Cleavage

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

Imperfect in one direction

1.7 Mohs Hardness

4-75-5.5

2 10

1.8 Chemical Composition

Not Available

CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Kyanite and Papagoite Chemical Formula

While comparing Kyanite and Papagoite 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 Papagoite chemical formula.

Chemical formula of Papagoite- CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

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Kyanite and Papagoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kyanite and Papagoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kyanite and Papagoite Optical Properties during the identification of gemstone. Specific gravity of Kyanite is 3.25 whereas that of Papagoite is 3.25.