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Norbergite
Norbergite

Sugilite
Sugilite



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Norbergite
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Sugilite

Norbergite and Sugilite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.177
Uneven, Conchoidal
{???} Distinct
6-6.5
Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)
 
-
-
-
2.69-2.79
Conchoidal
Poor on {0001}
5.5-6.5
KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Norbergite and Sugilite Chemical Formula

While comparing Norbergite 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 Norbergite and Sugilite chemical formula.

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Norbergite and Sugilite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Norbergite and Sugilite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Norbergite Vs Sugilite during the identification of gemstone. Specific gravity of Norbergite is whereas that of Sugilite is .