Bustamite and Magnesite Physical Properties

Bustamite

Magnesite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Partly soluble in HCl.

Effervesces in hot HCl

1.3 Durability

Not Available

1.4 Specific Gravity

3.32-3.432.92-3.12

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

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

[10 1 1] perfect

1.7 Mohs Hardness

5.5-63.5-4.5

2 10

1.8 Chemical Composition

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

MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Bustamite and Magnesite Chemical Formula

While comparing Bustamite and Magnesite 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 Bustamite and Magnesite chemical formula.

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

Compare Red Gemstones

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Bustamite and Magnesite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bustamite and Magnesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bustamite and Magnesite Optical Properties during the identification of gemstone. Specific gravity of Bustamite is 2.92-3.12 whereas that of Magnesite is 2.92-3.12.