Smoky Quartz and Bustamite Physical Properties

Smoky Quartz

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

2.653.32-3.43

1 7.18

1.5 Fracture

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

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

1.6 Cleavage

{0110} Indistinct

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

1.7 Mohs Hardness

75.5-6

2 10

1.8 Chemical Composition

SiO₂

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

Smoky Quartz and Bustamite Chemical Formula

While comparing Smoky Quartz 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 Smoky Quartz and Bustamite chemical formula.

Chemical formula of Smoky Quartz- SiO₂
Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Smoky Quartz and Bustamite Specific Gravity

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