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Riebeckite
Riebeckite

Scheelite
Scheelite



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Riebeckite
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Scheelite

Riebeckite and Scheelite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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
 
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

Riebeckite and Scheelite Chemical Formula

While comparing Riebeckite 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 Riebeckite and Scheelite chemical formula.

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Riebeckite and Scheelite Specific Gravity

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