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Bustamite
Bustamite

Rosasite
Rosasite



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Bustamite
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Rosasite

Bustamite and Rosasite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Partly soluble in HCl.
Effervesces in cold
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.32-3.434-4.2
Amber
1 7.18
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Splintery
1.6 Cleavage
{100} perfect; {110} and {1 1 0} good; {010} poor
Perfect on {100} and {010}
1.7 Mohs Hardness
5.5-64
Amber
2 10
1.8 Chemical Composition
(Ca,Mn2+ )Si 3O 9Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Not Available

Bustamite and Rosasite Chemical Formula

While comparing Bustamite and Rosasite 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 Bustamite and Rosasite chemical formula.

  • Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
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Bustamite and Rosasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bustamite and Rosasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bustamite and Rosasite Optical Properties during the identification of gemstone. Specific gravity of Bustamite is 4-4.2 whereas that of Rosasite is 4-4.2.