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Bementite : Mn5Si4O10(OH)6

Valgraveglia Mine (Gambatesa Mine), Reppia, Graveglia Valley, Ne, Genova Province, Liguria, Italy

Radiating bementite sprays on manganese ore. Field size 4mm. Collection & photo R. Bracco.
 © R. BraccoPhoto ID: 22838    View Count: 848

Bementite : Mn5Si4O10(OH)6

Valgraveglia Mine (Gambatesa Mine), Reppia, Graveglia Valley, Ne, Genova Province, Liguria, Italy

Image width: 1 cm. Photo and collection Giovanni Fraccaro.
 © GiovanniFraccaroPhoto ID: 59340    View Count: 284

Bementite : Mn5Si4O10(OH)6

Valgraveglia Mine (Gambatesa Mine), Reppia, Graveglia Valley, Ne, Genova Province, Liguria, Italy

Picture width is 4mm
 © Elmar LacknerPhoto ID: 72914    View Count: 255

Bementite : Mn5Si4O10(OH)6

Valgraveglia Mine (Gambatesa Mine), Reppia, Graveglia Valley, Ne, Genova Province, Liguria, Italy

View size: 5 x 3 cm

Collection and photo: Arliguie M
 © Arliguie MPhoto ID: 94064    View Count: 184

Multiple photos availableBementite : Mn5Si4O10(OH)6

Valgraveglia Mine (Gambatesa Mine), Reppia, Graveglia Valley, Ne, Genova Province, Liguria, Italy

Laminar crystal aggregates on matrix, brown reddish color. 3 cm the field in photo. In my personal Italia suite. Photo Simone Citon.
 © Simone CitonPhoto ID: 185512    View Count: 63

Bementite : Mn5Si4O10(OH)6

Valgraveglia Mine (Gambatesa Mine), Reppia, Graveglia Valley, Ne, Genova Province, Liguria, Italy

Pinkish, fibrous crystals in matrix. 2 cm the field in photo. In my personal italian minerals suite. Photo Simone Citon.
 © Simone CitonPhoto ID: 222675    View Count: 39

Bementite : Mn5Si4O10(OH)6

Valgraveglia Mine (Gambatesa Mine), Reppia, Graveglia Valley, Ne, Genova Province, Liguria, Italy

1 cm area of bementite. S410-064 #1599#
 © 2009, JGWPhoto ID: 259950    View Count: 11

Multiple photos availableBementite : Mn5Si4O10(OH)6, Andradite : Ca3Fe3+2[SiO4]3

N'Chwaning Mines, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa

5.2 x 3.9 x 2.2 cm. Extremely lustrous and sparkly, gemmy, deep wine-red andradite garnets richly covering the matrix, with accenting pale bementite. Specimens from the Manganese Fields of South Africa carry a special appeal for many collectors; this one came out of the collection of David Ellis.
 © Rob LavinskyPhoto ID: 137564    View Count: 197

Bementite : Mn5Si4O10(OH)6

Harstigen Mine, Pajsberg, Filipstad, Värmland, Sweden

Brownish-yellow, massive (somewhat radiating) bementite forming 'veinlets' in manganiferous skarn containing also sarkinite and native lead (covered by secondary hydrocerussite). Field of view is 4.7 mm.
 © Ł Kruszewski 2007Photo ID: 133714    View Count: 138

Bementite : Mn5Si4O10(OH)6

Chillaton, Milton Abbot, Tavistock District, Devon, England, UK

Image width: 3 mm.
 © Richard De NulPhoto ID: 90192    View Count: 155
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Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 26th Nov 2009 10:15:58