Magnesite and Bustamite Physical Properties

Magnesite

Bustamite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Effervesces in hot HCl

Partly soluble in HCl.

1.3 Durability

Not Available

1.4 Specific Gravity

2.92-3.123.32-3.43

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

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

1.6 Cleavage

[10 1 1] perfect

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

1.7 Mohs Hardness

3.5-4.55.5-6

2 10

1.8 Chemical Composition

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

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

Magnesite and Bustamite Chemical Formula

While comparing Magnesite 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 Magnesite and Bustamite chemical formula.

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

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Magnesite and Bustamite Specific Gravity

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