Rosasite and Bustamite Physical Properties

Rosasite

Bustamite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Effervesces in cold

Partly soluble in HCl.

1.3 Durability

Not Available

1.4 Specific Gravity

4-4.23.32-3.43

1 7.18

1.5 Fracture

Splintery

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

1.6 Cleavage

Perfect on {100} and {010}

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

1.7 Mohs Hardness

45.5-6

2 10

1.8 Chemical Composition

Not Available

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

Rosasite and Bustamite Chemical Formula

While comparing Rosasite 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 Rosasite 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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Rosasite and Bustamite Specific Gravity

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