Colemanite and Bustamite Physical Properties

Colemanite

Bustamite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Partly soluble in HCl.

1.3 Durability

Not Available

1.4 Specific Gravity

2.40-2.423.32-3.43

1 7.18

1.5 Fracture

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{010} Perfect, {001} Distinct

{100} perfect; {110} and {1 1 0} good; {010} poor

1.7 Mohs Hardness

4.55.5-6

2 10

1.8 Chemical Composition

Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Colemanite and Bustamite Chemical Formula

While comparing Colemanite 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 Colemanite and Bustamite chemical formula.

Chemical formula of Colemanite- Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Colorless Gems

Colemanite Vs Cubic Zirconia

Colemanite Vs Diaspore

Colemanite Vs Datolite

Colemanite and Bustamite Specific Gravity

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