|Dimensions (mm)||7 x 5 x 2mm|
|Weight (carats)||2 carats|
Very Beautiful Rare Manganotantalite
Color : Red
Manganotantalite is a manganese-rich variety of Tantalite. It is formed when manganese replaces iron. Manganotantalite is an intense red transparent material that is suitable for cutting into magnificent faceted gems.
A variety or type of:Tantalite
Other Names/Trade Names: Tantalite- Mn)
Chemical Formula :- MnTa2O6
Physical Properties of Manganotantalite
Mohs Hardness - 5 5 to 6.5
Specific Gravity - 7 73 to 7.97
Cleavage Quality - Perfect .
Optical Properties of Manganotantalite
Refractive Index - 2 19 to 2.34
Optical Character - Biaxial +
Birefringence - 0.015
Colour (General) - Scarlet-red to dark red.
Transparency - Transparent
Lustre - Vitreous
Crystallography of Manganotantalite
Crystal System - Orthorhombic
Habit - Short prismatic crystals
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|Starts||19th Sep 2017 11:20am PDT|
|Ends||22nd Sep 2017 11:20am PDT|
|Registered Shipping||$8.00||20 Days|
|Standard Shipping||$25.00||10 Days|
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