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Precious Opal
Precious Opal

Scheelite
Scheelite



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Precious Opal
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Scheelite

Precious Opal and Scheelite 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 · nH 2OGemdat.org , Management Team (2012)
 
Brittle
-
-
5.9-6.3
Conchoidal, Uneven
On {101}, distinct; on {112}, interrupted; on {001}, indistinct
4.5-5
CaWO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Precious Opal and Scheelite Chemical Formula

While comparing Precious Opal and Scheelite 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 Precious Opal and Scheelite chemical formula.

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Precious Opal and Scheelite Specific Gravity

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