Beudantite and Gahnite Physical Properties

Beudantite

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

4.484.00-4.62

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic

Conchoidal, Uneven

1.6 Cleavage

distinct; good on {0001}

Indistinct parting on [111]

1.7 Mohs Hardness

3.5-4.57.5-8

2 10

1.8 Chemical Composition

PbFe+++3(AsO4)(SO4)(OH)6

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

Beudantite and Gahnite Chemical Formula

While comparing Beudantite 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 Beudantite and Gahnite chemical formula.

Chemical formula of Beudantite- PbFe+++3(AsO4)(SO4)(OH)6
Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Beudantite and Gahnite Specific Gravity

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