Prasiolite and Bustamite Physical Properties

Prasiolite

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

3,1

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

1.7 Mohs Hardness

75.5-6

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

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

Prasiolite and Bustamite Chemical Formula

While comparing Prasiolite 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 Prasiolite and Bustamite chemical formula.

Chemical formula of Prasiolite- SiO 2Ulrich Henn and Claudio C.
Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Prasiolite and Bustamite Specific Gravity

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