Bustamite and Hauyne Physical Properties

Bustamite

Hauyne

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Partly soluble in HCl.

Gelatinises in acids

1.3 Durability

Not Available

1.4 Specific Gravity

3.32-3.432.4-2.5

1 7.18

1.5 Fracture

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

Uneven, Conchoidal, Brittle

1.6 Cleavage

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

Distinct on {110}

1.7 Mohs Hardness

5.5-65-6

2 10

1.8 Chemical Composition

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

(Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2

Bustamite and Hauyne Chemical Formula

While comparing Bustamite and Hauyne 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 Hauyne chemical formula.

Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Hauyne- (Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2

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Bustamite and Hauyne Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bustamite and Hauyne Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bustamite and Hauyne Optical Properties during the identification of gemstone. Specific gravity of Bustamite is 2.4-2.5 whereas that of Hauyne is 2.4-2.5.