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Iolite
Iolite

Crocoite
Crocoite



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Iolite
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Crocoite

Iolite and Crocoite 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
2.6-2.75.90-6.10
Amber
1 7.18
1.5 Fracture
Not Available
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), (e.g. graphite).
1.6 Cleavage
3,1
{110} Distinct, {001} Indistinct, {100} Indistinct
1.7 Mohs Hardness
7-7.52.5-3
Amber
2 10
1.8 Chemical Composition
Mg2Al4Si5O18
PbCrO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Iolite and Crocoite Chemical Formula

While comparing Iolite and Crocoite 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 Crocoite chemical formula.

  • Chemical formula of Iolite- Mg2Al4Si5O18
  • Chemical formula of Crocoite- PbCrO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Iolite and Crocoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Iolite and Crocoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Iolite and Crocoite Optical Properties during the identification of gemstone. Specific gravity of Iolite is 5.90-6.10 whereas that of Crocoite is 5.90-6.10.