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Selenite
Selenite

Boulder Opal
Boulder Opal



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Selenite
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Boulder Opal

Selenite and Boulder Opal Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
Perfect
2
CaSO4·2H2O
 
-
-
-
1.98-2.25
Conchoidal
None
5-6.5
SiO 2 + H 2OUlrich Henn and Claudio C.

Selenite and Boulder Opal Chemical Formula

While comparing Selenite 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 Selenite and Boulder Opal chemical formula.

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Selenite and Boulder Opal Specific Gravity

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