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Colemanite
Colemanite

Sugilite
Sugilite



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Colemanite
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Colemanite and Sugilite Physical Properties

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
2.40-2.42
2.69-2.79
1.5 Fracture
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
{010} Perfect, {001} Distinct
Poor on {0001}
1.7 Mohs Hardness
4.5
5.5-6.5
1.8 Chemical Composition
Ca 2B 6O 11 · 5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Colemanite and Sugilite Chemical Formula

While comparing Colemanite and Sugilite 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 Colemanite and Sugilite chemical formula.

  • Chemical formula of Colemanite- Ca 2B 6O 11 · 5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Sugilite- KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Colemanite and Sugilite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Colemanite and Sugilite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Colemanite and Sugilite Optical Properties during the identification of gemstone. Specific gravity of Colemanite is 2.69-2.79 whereas that of Sugilite is 2.69-2.79.