Manganotantalite
Manganotantaliet, Manganotantalit, Manganotantalita, Мангантанталит
Commonly known
rarer (so called collectors stones)
very rare (rarities)
relatively rare organic material
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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 |
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Manganotantalite Mineral
Origin: Shigar Valley / Skardu-Baltistan / Pakistan Photo by kind permission of © www.irocks.com |
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Manganotantalite
Weight: 0.75 ct Origin: Alto Ligonha Distr./ Zambezia Prov. / Mozambique Photo by kind permission of www.irocks.com |
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Manganotantalite Mineral
Origin: Murrua / Alto Ligonha Distr./ Zambezia Prov. / Mozambique Photo by kind permission of © Michael C. Roarke |
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Manganotantalite
Weight: 8.35 ct Origin: Alto Ligonha Distr./ Zambezia Prov. / Mozambique Photo by kind permission of www.irocks.com |
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