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Agate Opal
Agate Opal

Boulder Opal
Boulder Opal



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Agate Opal
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Boulder Opal

Agate Opal and Boulder Opal Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.98-2.50
Conchoidal
None
5.5-6.5
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
 
-
-
-
1.98-2.25
Conchoidal
None
5-6.5
SiO 2 + H 2OUlrich Henn and Claudio C.

Agate Opal and Boulder Opal Chemical Formula

While comparing Agate Opal and Boulder 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 Agate Opal and Boulder Opal chemical formula.

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Agate Opal and Boulder Opal Specific Gravity

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