Catapleiite and Gahnite Physical Properties

Catapleiite

Gahnite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.724.00-4.62

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic

Conchoidal, Uneven

1.6 Cleavage

{110} Perfect, {010} Perfect

Indistinct parting on [111]

1.7 Mohs Hardness

5-67.5-8

2 10

1.8 Chemical Composition

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

ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Catapleiite and Gahnite Chemical Formula

While comparing Catapleiite and Gahnite 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 Gahnite chemical formula.

Chemical formula of Catapleiite- Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Catapleiite and Gahnite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Catapleiite and Gahnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Catapleiite and Gahnite Optical Properties during the identification of gemstone. Specific gravity of Catapleiite is 4.00-4.62 whereas that of Gahnite is 4.00-4.62.