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Norbergite
Norbergite

Bustamite
Bustamite



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Norbergite
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Bustamite

Norbergite and Bustamite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Partly soluble in HCl.
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.1773.32-3.43
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
{???} Distinct
{100} perfect; {110} and {1 1 0} good; {010} poor
1.7 Mohs Hardness
6-6.55.5-6
Amber
2 10
1.8 Chemical Composition
Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)
(Ca,Mn2+ )Si 3O 9Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Norbergite and Bustamite Chemical Formula

While comparing Norbergite and Bustamite 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 Bustamite chemical formula.

  • Chemical formula of Norbergite- Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)
  • Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Norbergite and Bustamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Norbergite and Bustamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Norbergite and Bustamite Optical Properties during the identification of gemstone. Specific gravity of Norbergite is 3.32-3.43 whereas that of Bustamite is 3.32-3.43.