Manganotantalite

Manganotantaliet, Manganotantalit, Manganotantalita, Мангантанталит


Commonly known      rarer (so called collectors stones)      very rare (rarities)      relatively rare organic material


Formula: MnTa2O6
Mineral class: oxides
Crystal system: orthorhombic
Mohs scale: 6 - 6.5
Density (g/cm3): 6.65 - 8.1
Refractive index: 2.14 - 2.34
Cleavage: different
Colors: brown, black
Luster: submetallic - vitreous
Fluorescence: -
Pleochroism: strong: orange, red, red-brown
Largest Manganotantalite: ?
Deposits: worldwide
Discovery: 1887
1st Description: 1892
Name: ref. to its Mn and Ta content

Manganotantalite Mineral

Origin: Shigar Valley / Skardu-Baltistan / Pakistan

Photo by kind permission of © www.irocks.com
Manganotantalite Mineral

Manganotantalite

Weight: 0.75 ct

Origin: Alto Ligonha Distr./ Zambezia Prov. / Mozambique

Photo by kind permission of www.irocks.com

Manganotantalite Mineral

Origin: Murrua / Alto Ligonha Distr./ Zambezia Prov. / Mozambique

Photo by kind permission of © Michael C. Roarke
Manganotantalite Mineral
Manganotantalite

Weight: 8.35 ct

Origin: Alto Ligonha Distr./ Zambezia Prov. / Mozambique

Photo by kind permission of www.irocks.com


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