Bustamite and Wavellite Physical Properties

Bustamite

Wavellite

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Physical Properties

Tenacity

Solubility

Partly soluble in HCl.

insoluble

Durability

Specific Gravity

3.32-3.432.36

1 7.18

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Fracture

Conchoidal

Uneven, Subconchoidal, Fibrous

Cleavage

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

[110] perfect, [101] good, [010] distinct

Mohs Hardness

5.5-63.5-4

2 10

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Chemical Composition

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

Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Bustamite and Wavellite Chemical Formula

While comparing Bustamite and Wavellite 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 Wavellite chemical formula.

Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Wavellite- Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Bustamite and Wavellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bustamite and Wavellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bustamite and Wavellite Optical Properties during the identification of gemstone. Specific gravity of Bustamite is 2.36 whereas that of Wavellite is 2.36.