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Jade
Jade

Sugilite
Sugilite



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Jade and Sugilite 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
2.90-3.38
2.69-2.79
1.5 Fracture
Gemstones of the world (2001), Difficult, Splintery
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
1 or 2,2 prismatic.
Poor on {0001}
1.7 Mohs Hardness
6-7
5.5-6.5
1.8 Chemical Composition
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Jade and Sugilite Chemical Formula

While comparing Jade 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 Jade and Sugilite chemical formula.

  • Chemical formula of Jade- Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
  • Chemical formula of Sugilite- KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Jade and Sugilite Specific Gravity

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