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Lepidolite
Lepidolite

Iolite
Iolite



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Lepidolite
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Iolite

Lepidolite and Iolite Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.80-2.902.6-2.7
Amber
1 7.18
1.5 Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009)
Not Available
1.6 Cleavage
{001} perfect
3,1
1.7 Mohs Hardness
2.57-7.5
Amber
2 10
1.8 Chemical Composition
Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.
Mg2Al4Si5O18

Lepidolite and Iolite Chemical Formula

While comparing Lepidolite 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 Lepidolite and Iolite chemical formula.

  • Chemical formula of Lepidolite- Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.
  • Chemical formula of Iolite- Mg2Al4Si5O18

Lepidolite and Iolite Specific Gravity

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