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Augelite
Augelite

Bustamite
Bustamite



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Augelite
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Bustamite

Augelite and Bustamite Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
Partly soluble in HCl.

Durability

-
-

Specific Gravity

2.70-2.753.32-3.43
1 7.18
👆🏻

Fracture

Conchoidal
Conchoidal

Cleavage

From the Greek for luster, for its pearly luster on the cleavage.
{100} perfect; {110} and {1 1 0} good; {010} poor

Mohs Hardness

4.5-55.5-6
2 10
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Chemical Composition

Al 2(PO 4)(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)
(Ca,Mn2+ )Si 3O 9Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Augelite and Bustamite Chemical Formula

While comparing Augelite 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 Augelite and Bustamite chemical formula.

  • Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Augelite and Bustamite Specific Gravity

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