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Opal
Opal

Manganotantalite
Manganotantalite



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Opal
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Manganotantalite

Opal and Manganotantalite Physical Properties

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
 
-
-
-
-9999
Conchoidal
None
5.5-6.5
MnTa 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

Opal and Manganotantalite Chemical Formula

While comparing Opal and Manganotantalite 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 Manganotantalite chemical formula.

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Opal and Manganotantalite Specific Gravity

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