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Bustamite
Bustamite

Precious Opal
Precious Opal



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Bustamite
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Precious Opal

Bustamite and Precious Opal Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
Partly soluble in HCl.
-
3.32-3.43
Conchoidal
{100} perfect; {110} and {1 1 0} good; {010} poor
5.5-6
(Ca,Mn2+ )Si 3O 9Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
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-
-
1.98-2.25
Conchoidal
None
5-6.5
SiO 2 · nH 2OGemdat.org , Management Team (2012)

Bustamite and Precious Opal Chemical Formula

While comparing Bustamite and Precious Opal 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 Precious Opal chemical formula.

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Bustamite and Precious Opal Specific Gravity

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