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Bustamite
Bustamite

Sard
Sard



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Bustamite
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Sard

Bustamite and Sard Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Partly soluble in HCl.
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.32-3.432.58-2.63
Amber
1 7.18
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
{100} perfect; {110} and {1 1 0} good; {010} poor
Not Available
1.7 Mohs Hardness
5.5-66.5-7
Amber
2 10
1.8 Chemical Composition
(Ca,Mn2+ )Si 3O 9Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
SiO 2Ulrich Henn and Claudio C.

Bustamite and Sard Chemical Formula

While comparing Bustamite and Sard 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 Sard chemical formula.

  • Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Sard- SiO 2Ulrich Henn and Claudio C.

Bustamite and Sard Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bustamite and Sard Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bustamite and Sard Optical Properties during the identification of gemstone. Specific gravity of Bustamite is 2.58-2.63 whereas that of Sard is 2.58-2.63.