Forsterite and Bustamite Physical Properties

Forsterite

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

3.23-3.263.32-3.43

1 7.18

1.5 Fracture

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

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

1.6 Cleavage

Perfect on {010} imperfect on {100}

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

1.7 Mohs Hardness

6.5-75.5-6

2 10

1.8 Chemical Composition

Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Forsterite and Bustamite Chemical Formula

While comparing Forsterite 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 Forsterite and Bustamite chemical formula.

Chemical formula of Forsterite- Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Green Gemstones

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Forsterite Vs Grossular

Forsterite Vs Hackmanite

Forsterite and Bustamite Specific Gravity

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