Opal and Manganotantalite Physical Properties
Tenacity
BrittleWalter Schumann
Not Available
Solubility
hot salt water
Not Available
Durability
Not Available
Not Available
Specific Gravity
1.98-2.25
Not Available
Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Brittle
ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
None
Not Available
Mohs Hardness
5-6.5
5.5-6.5
Chemical Composition
SiO2 · nH2O
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.
- Chemical formula of Opal- SiO2 · nH2O
- Chemical formula of Manganotantalite- MnTa 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
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 and Manganotantalite Optical Properties during the identification of gemstone. Specific gravity of Opal is Not Available whereas that of Manganotantalite is Not Available.