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Boulder Opal
Boulder Opal

Thulite
Thulite



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Boulder Opal
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Thulite

Boulder Opal and Thulite 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.
 
-
-
-
3.1
Uneven, Conchoidal
Perfect {010} imperfect {100}
6-7
Ca2Al3(SiO4)3(OH)

Boulder Opal and Thulite Chemical Formula

While comparing Boulder Opal and Thulite 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 Thulite chemical formula.

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Boulder Opal and Thulite Specific Gravity

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