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Bustamite
Bustamite

Stolzite
Stolzite



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Bustamite
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Stolzite

Bustamite and Stolzite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

Partly soluble in HCl.
-

Durability

-
-

Specific Gravity

3.32-3.432
1 7.18
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Fracture

Conchoidal
Conchoidal, Uneven

Cleavage

{100} perfect; {110} and {1 1 0} good; {010} poor
Imperfect on {001}, indistinct on {011}

Mohs Hardness

5.5-62.5-3
2 10
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Chemical Composition

(Ca,Mn2+ )Si 3O 9Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
PbWO4

Bustamite and Stolzite Chemical Formula

While comparing Bustamite and Stolzite 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 Stolzite chemical formula.

  • Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Stolzite- PbWO4

Bustamite and Stolzite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bustamite and Stolzite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bustamite and Stolzite Optical Properties during the identification of gemstone. Specific gravity of Bustamite is 2 whereas that of Stolzite is 2.