Bustamite and Xonotlite Physical Properties

Bustamite

Xonotlite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Partly soluble in HCl.

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.32-3.432.71-2.72

1 7.18

1.5 Fracture

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

Handbook of mineralogy (2001), Difficult, Fibrous

1.6 Cleavage

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

{???} Good

1.7 Mohs Hardness

5.5-66-6.5

2 10

1.8 Chemical Composition

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

Ca 6Si 6O 17(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Bustamite and Xonotlite Chemical Formula

While comparing Bustamite and Xonotlite 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 Xonotlite chemical formula.

Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Xonotlite- Ca 6Si 6O 17(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Bustamite and Xonotlite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bustamite and Xonotlite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bustamite and Xonotlite Optical Properties during the identification of gemstone. Specific gravity of Bustamite is 2.71-2.72 whereas that of Xonotlite is 2.71-2.72.