Catapleiite and Kyanite Physical Properties

Catapleiite

Kyanite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.723.53-3.65

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic

Splintery, Brittle, Metallic

1.6 Cleavage

{110} Perfect, {010} Perfect

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

1.7 Mohs Hardness

5-64-7

2 10

1.8 Chemical Composition

Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Not Available

Catapleiite and Kyanite Chemical Formula

While comparing Catapleiite 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 Catapleiite and Kyanite chemical formula.

Chemical formula of Catapleiite- Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Catapleiite and Kyanite Specific Gravity

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