Tanzanite and Catapleiite Physical Properties

Tanzanite

Catapleiite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Hard

Not Available

1.4 Specific Gravity

3.352.72

1 7.18

1.5 Fracture

Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Perfect {010}, imperfect {100}

{110} Perfect, {010} Perfect

1.7 Mohs Hardness

6.5-75-6

2 10

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

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

Tanzanite and Catapleiite Chemical Formula

While comparing Tanzanite 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 Tanzanite and Catapleiite chemical formula.

Chemical formula of Tanzanite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Catapleiite- Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Tanzanite and Catapleiite Specific Gravity

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