Quartz and Bustamite Physical Properties

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

2.5 Fracture

Conchoidal, Conchoidal, Brittle, Gems

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

2.6 Cleavage

{0110} Indistinct

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

2.7 Mohs Hardness

75.5-6

2 10

2.11 Chemical Composition

SiO₂

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

Quartz and Bustamite Chemical Formula

While comparing 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 Quartz and Bustamite chemical formula.

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

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Quartz and Bustamite Specific Gravity

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