Nickeline and Bustamite Physical Properties

Nickeline

Bustamite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

Partly soluble in HCl.

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available3.32-3.43

1 7.18

1.5 Fracture

Conchoidal, Uneven

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

1.6 Cleavage

{1010} Imperfect, {0001} Imperfect

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

1.7 Mohs Hardness

5-5.55.5-6

2 10

1.8 Chemical Composition

Not Available

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

Nickeline and Bustamite Chemical Formula

While comparing Nickeline 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 Nickeline and Bustamite chemical formula.

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

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Nickeline and Bustamite Specific Gravity

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