Iolite and Beudantite Physical Properties

Iolite

Beudantite

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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

2.6-2.74.48

1 7.18

1.5 Fracture

Not Available

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

3,1

distinct; good on {0001}

1.7 Mohs Hardness

7-7.53.5-4.5

2 10

1.8 Chemical Composition

Mg₂Al₄Si₅O₁₈

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

Iolite and Beudantite Chemical Formula

While comparing Iolite and Beudantite 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 Iolite and Beudantite chemical formula.

Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈
Chemical formula of Beudantite- PbFe+++3(AsO4)(SO4)(OH)6

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Iolite and Beudantite Specific Gravity

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