Plumbogummite and Iolite Physical Properties

Plumbogummite

Iolite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.0142.6-2.7

1 7.18

1.5 Fracture

Uneven, Conchoidal

Not Available

1.6 Cleavage

None

3,1

1.7 Mohs Hardness

4-57-7.5

2 10

1.8 Chemical Composition

Not Available

Mg₂Al₄Si₅O₁₈

Plumbogummite and Iolite Chemical Formula

While comparing Plumbogummite and Iolite 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 Plumbogummite and Iolite chemical formula.

Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈

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Plumbogummite and Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Plumbogummite and Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Plumbogummite and Iolite Optical Properties during the identification of gemstone. Specific gravity of Plumbogummite is 2.6-2.7 whereas that of Iolite is 2.6-2.7.