Pyroxmangite
Pyroxmangiet, Pyroxmangit, Pyroxmangita, Пироксмангит, パイロクスマンガン石
Commonly known
rarer (so called collectors stones)
very rare (rarities)
relatively rare organic material
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Formula: (Fe,Mn)7[Si7O21]
Mineral class: silicates Crystal system: triclinic Mohs scale: 5.5 - 6 Density (g/cm3): 3.6 - 3.8 Refractive index: 1.726 - 1.764 Cleavage: different Colors: rose, red, yellowish-brown, brown Luster: vitreous - pearly Fluorescence: - Pleochroism: - Largest Pyroxmangite: 10 cm? Deposits: Australia, Brazil, Finland, UK (Scotland), Japan, Sweden, USA Discovery: 1913 1st Description: 1913 Name: Ford and Bradley thought it to be a manganese member of the pyroxene group |
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Pyroxmangite Mineral
Origin: Morro da Mina / Conselheiro Lafaiete / Belo Horizonte / Minas Gerais / Brazil Photo by kind permission of © www.irocks.com |
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Pyroxmangite
Size: 1.35 x 0.48 cm Weight: 1.86 ct Origin: Morro da Mina / Conselheiro Lafaiete / Belo Horizonte / Minas Gerais / Brazil Photo by kind permission of © www.kox-gems.com |
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Pyroxmangite
Size: 1.3 x 0.7 cm Weight: 3.45 ct Origin: Morro da Mina / Conselheiro Lafaiete / Belo Horizonte / Minas Gerais / Brazil Photo by kind permission of © www.kox-gems.com |
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Pyroxmangite Mineral
Size: 6.3 x 4.3 x 3.2 cm Origin: Taguchi Mine / Shidara / Aichi Pref. / Honshu / Japan Photo by kind permission of © www.irocks.com |
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Pyroxmangite
Size: 0.9 x 0.4 cm Weight: 0.82 ct Origin: Morro da Mina / Conselheiro Lafaiete / Belo Horizonte / Minas Gerais / Brazil Photo by kind permission of © www.kox-gems.com |
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Pyroxmangite
Weight: 0.20 ct Origin: Morro da Mina / Conselheiro Lafaiete / Belo Horizonte / Minas Gerais / Brazil Photo by kind permission of © www.lucianabarbosa.com |
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Pyroxmangite
Size: 1.36 cm Weight: 12.48 ct Origin: Sunnyside Mine / Silverton / San Juan County / Colorado / USA Photo by kind permission of © www.irocks.com |
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