Dravite and Manganotantalite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.03-3.18
Not Available
Fracture
Uneven, Uneven, Irregular, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
{???} Indistinct
Not Available
Mohs Hardness
7-7.5
5.5-6.5
Chemical Composition
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
MnTa 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Dravite and Manganotantalite Chemical Formula
While comparing Dravite 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 Dravite and Manganotantalite chemical formula.
- Chemical formula of Dravite- Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
- Chemical formula of Manganotantalite- MnTa 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Dravite and Manganotantalite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Dravite and Manganotantalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dravite and Manganotantalite Optical Properties during the identification of gemstone. Specific gravity of Dravite is Not Available whereas that of Manganotantalite is Not Available.