Grossular Garnet and Bustamite Physical Properties

Grossular Garnet

Bustamite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Partly soluble in HCl.

1.3 Durability

Not Available

1.4 Specific Gravity

3.63.32-3.43

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

None

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

1.7 Mohs Hardness

6.5-7.55.5-6

2 10

1.8 Chemical Composition

Ca₃Al₂Si₃O₁₂

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

Grossular Garnet and Bustamite Chemical Formula

While comparing Grossular Garnet 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 Grossular Garnet and Bustamite chemical formula.

Chemical formula of Grossular Garnet- Ca₃Al₂Si₃O₁₂
Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Grossular Garnet and Bustamite Specific Gravity

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