Stolzite and Gahnite Physical Properties

Stolzite

Gahnite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

24.00-4.62

1 7.18

1.5 Fracture

Conchoidal, Uneven, Brittle

Conchoidal, Uneven

1.6 Cleavage

Imperfect on {001}, indistinct on {011}

Indistinct parting on [111]

1.7 Mohs Hardness

2.5-37.5-8

2 10

1.8 Chemical Composition

Not Available

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

Stolzite and Gahnite Chemical Formula

While comparing Stolzite 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 Stolzite and Gahnite chemical formula.

Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Stolzite and Gahnite Specific Gravity

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