Gahnite and Catapleiite Physical Properties

Gahnite

Catapleiite

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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

4.00-4.622.72

1 7.18

1.5 Fracture

Conchoidal, Uneven

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Indistinct parting on [111]

{110} Perfect, {010} Perfect

1.7 Mohs Hardness

7.5-85-6

2 10

1.8 Chemical Composition

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

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

Gahnite and Catapleiite Chemical Formula

While comparing Gahnite 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 Gahnite and Catapleiite chemical formula.

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

Compare Blue Gemstones

Gahnite Vs Indicolite Blue Tourmaline

Gahnite Vs Hydrogrossular

Gahnite Vs Howlite

Gahnite and Catapleiite Specific Gravity

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