Romanèchite

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Calcite, Palygorskite, Romanèchite


Palmarejo Mine, Palmarejo, Mun. de Chínipas, Chihuahua, Mexico

Item-No.: MIN0422

Price: 795.00 EUR

Calcite, Palygorskite, Romanèchite


Palmarejo Mine, Palmarejo, Mun. de Chínipas, Chihuahua, Mexico

Item-No.: MIN0419

Price: 295.00 EUR

Calcite, Palygorskite, Romanèchite


Palmarejo Mine, Palmarejo, Mun. de Chínipas, Chihuahua, Mexico

Item-No.: MIN0420

Price: 385.00 EUR

Calcite, Palygorskite, Romanèchite


Palmarejo Mine, Palmarejo, Mun. de Chínipas, Chihuahua, Mexico

Item-No.: MIN0421

Price: 420.00 EUR

Romanèchite


Kerrouchen, Midelt, Béni Mellal-Khénifra Region, Khenifra Province, Morrocco

Item-No.: LM131

Price: 16.00 EUR

Romanèchite


Kerrouchen, Midelt, Béni Mellal-Khénifra Region, Khenifra Province, Morrocco

Item-No.: LM132

Price: 19.00 EUR

Romanèchite


Kerrouchen, Midelt, Béni Mellal-Khénifra Region, Khenifra Province, Morrocco

Item-No.: LM133

Price: 23.00 EUR

Romanèchite


Kerrouchen, Midelt, Béni Mellal-Khénifra Region, Khenifra Province, Morrocco

Item-No.: LM134

Price: 23.00 EUR

Romanèchite


Kerrouchen, Midelt, Béni Mellal-Khénifra Region, Khenifra Province, Morrocco

Item-No.: LM135

Price: 27.00 EUR

Romanèchite


Kerrouchen, Midelt, Béni Mellal-Khénifra Region, Khenifra Province, Morrocco

Item-No.: LM136

Price: 24.00 EUR

Synonyms: Hydrobraunite, Manganomelane, Romanechite
Classification: Oxides
Chemical formula: (Ba,H2O)2(Mn4+,Mn3+)5O10
Crystal system: Monoclinic
Density (g/cm3): 4.71 measured, 4.74 calculated
Cleavage: None
Fracture: Uneven
Hardness (Mohs): 5 - 5.5
Colour: Greyisch black, black
Lustre: Sub-Metallic, dull
Streak: Brownish black
Transparency: Opaque
Type locality:

Manganese deposit, Romanèche-Thorens, La Chapelle-de-Guinchay, Saône-et-Loire, Bourgogne-Franche-Comté, France

Application: Ore of manganese