Romanèchite

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