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Iolite
Iolite

Hyacinth
Hyacinth



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Iolite
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Hyacinth

Iolite and Hyacinth 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
2.6-2.73.93-4.73
Amber
1 7.18
1.5 Fracture
Not Available
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
3,1
Not Available
1.7 Mohs Hardness
7-7.56.5-7.5
Amber
2 10
1.8 Chemical Composition
Mg2Al4Si5O18
ZrSiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Iolite and Hyacinth Chemical Formula

While comparing Iolite and Hyacinth 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 Hyacinth chemical formula.

  • Chemical formula of Iolite- Mg2Al4Si5O18
  • Chemical formula of Hyacinth- ZrSiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Iolite and Hyacinth Specific Gravity

Another important criteria for qualitative analysis of gemstones is Iolite and Hyacinth Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Iolite and Hyacinth Optical Properties during the identification of gemstone. Specific gravity of Iolite is 3.93-4.73 whereas that of Hyacinth is 3.93-4.73.