Andesine and Bustamite Physical Properties

Andesine

Bustamite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

Partly soluble in HCl.

1.3 Durability

Not Available

1.4 Specific Gravity

2.65-2.693.32-3.43

1 7.18

1.5 Fracture

Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)

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

1.6 Cleavage

Perfect on {001}, good on {010}

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

1.7 Mohs Hardness

6-6.55.5-6

2 10

1.8 Chemical Composition

(Na,Ca)Al_1-2Si_3-2O₈

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

Andesine and Bustamite Chemical Formula

While comparing Andesine 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 Andesine and Bustamite chemical formula.

Chemical formula of Andesine- (Na,Ca)Al_1-2Si_3-2O₈
Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Andesine and Bustamite Specific Gravity

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