Sapphire and Catapleiite Physical Properties

Sapphire

Catapleiite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.95-4.032.72

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

None, but may exhibit parting

{110} Perfect, {010} Perfect

1.7 Mohs Hardness

95-6

2 10

1.8 Chemical Composition

Al ₂ O ₃

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

Sapphire and Catapleiite Chemical Formula

While comparing Sapphire and Catapleiite 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 Sapphire and Catapleiite chemical formula.

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

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Sapphire and Catapleiite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphire and Catapleiite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphire and Catapleiite Optical Properties during the identification of gemstone. Specific gravity of Sapphire is 2.72 whereas that of Catapleiite is 2.72.