Iolite and Fuchsite Physical Properties

Iolite

Fuchsite

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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

2.6-2.72.77-2.88

1 7.18

1.5 Fracture

Not Available

Uneven

1.6 Cleavage

3,1

Perfect basal

1.7 Mohs Hardness

7-7.52.5

2 10

1.8 Chemical Composition

Mg₂Al₄Si₅O₁₈

K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)

Iolite and Fuchsite Chemical Formula

While comparing Iolite and Fuchsite 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 Fuchsite chemical formula.

Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈
Chemical formula of Fuchsite- K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)

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Iolite and Fuchsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Iolite and Fuchsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Iolite and Fuchsite Optical Properties during the identification of gemstone. Specific gravity of Iolite is 2.77-2.88 whereas that of Fuchsite is 2.77-2.88.