Halite and Bustamite Physical Properties

Halite

Bustamite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Water-soluble

Partly soluble in HCl.

1.3 Durability

Not Available

1.4 Specific Gravity

2.173.32-3.43

1 7.18

1.5 Fracture

Conchoidal, Brittle, Metallic

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

1.6 Cleavage

Perfect {001}, three directions cubic

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

1.7 Mohs Hardness

2.0-2.55.5-6

2 10

1.8 Chemical Composition

NaCl

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

Halite and Bustamite Chemical Formula

While comparing Halite 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 Halite and Bustamite chemical formula.

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

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Halite and Bustamite Specific Gravity

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