Iolite and Sussexite Physical Properties

Iolite

Sussexite

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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

2.6-2.73.30

1 7.18

1.5 Fracture

Not Available

1.6 Cleavage

3,1

Not Available

1.7 Mohs Hardness

7-7.53-3.5

2 10

1.8 Chemical Composition

Mg₂Al₄Si₅O₁₈

Mn2+ BO 2(OH)Anthony et al , Handbook of mineralogy (2001)

Iolite and Sussexite Chemical Formula

While comparing Iolite and Sussexite 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 Sussexite chemical formula.

Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈
Chemical formula of Sussexite- Mn2+ BO 2(OH)Anthony et al , Handbook of mineralogy (2001)

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Iolite and Sussexite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Iolite and Sussexite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Iolite and Sussexite Optical Properties during the identification of gemstone. Specific gravity of Iolite is 3.30 whereas that of Sussexite is 3.30.