Gahnite and Barite Physical Properties

Gahnite

Barite

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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

4.00-4.624.48

1 7.18

1.5 Fracture

Conchoidal, Uneven

Uneven

1.6 Cleavage

Indistinct parting on [111]

{010} Perfect, {210} Perfect, {010} Imperfect

1.7 Mohs Hardness

7.5-83-3.5

2 10

1.8 Chemical Composition

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

BaSO4

Gahnite and Barite Chemical Formula

While comparing Gahnite and Barite 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 Barite chemical formula.

Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Barite- BaSO4

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Gahnite and Barite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnite and Barite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnite and Barite Optical Properties during the identification of gemstone. Specific gravity of Gahnite is 4.48 whereas that of Barite is 4.48.