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Opal
Opal

Scolecite
Scolecite



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Opal
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Scolecite

Opal and Scolecite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
BrittleWalter Schumann
hot salt water
-
1.98-2.25
Conchoidal
None
5-6.5
SiO2 · nH2O
 
Brittle
Soluble
-
2.20-2.23
Irregular/uneven, Uneven
Perfect on {110} and {1 1 0}
5-5.5
CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.

Opal and Scolecite Chemical Formula

While comparing Opal and Scolecite 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 Opal and Scolecite chemical formula.

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Opal and Scolecite Specific Gravity

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