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Boulder Opal
Boulder Opal

Riebeckite
Riebeckite



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Boulder Opal
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Riebeckite

Boulder Opal and Riebeckite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.98-2.25
Conchoidal
None
5-6.5
SiO 2 + H 2OUlrich Henn and Claudio C.
 
Brittle
-
-
3.28-3.44
Uneven, Splintery
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
5.0-6.0
Na2Fe2+3Fe3+2Si8O22(OH)2

Boulder Opal and Riebeckite Chemical Formula

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

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Boulder Opal and Riebeckite Specific Gravity

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