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Cryptomelane : K(Mn4+,Mn2+)8O16 | |
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Reaphook Hill, Martins Well, South Flinders Ranges, Flinders Ranges, South Australia, Australia Photo & specimen J.Ralph. |
| Photo ID: 39 View Count: 1268 | |
Cryptomelane : K(Mn4+,Mn2+)8O16 | |
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Reaphook Hill, Martins Well, South Flinders Ranges, Flinders Ranges, South Australia, Australia A 2.8 by 1.7 cms specimen of botryoidal masses on Scholzite crystals. JSS specimen and photograph. |
| © JSS | Photo ID: 101663 View Count: 241 |
Cryptomelane : K(Mn4+,Mn2+)8O16, Collinsite : Ca2(Mg,Fe2+)[PO4]2 · 2H2O, Scholzite : CaZn2(PO4)2·2H2O | |
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Reaphook Hill, Martins Well, South Flinders Ranges, Flinders Ranges, South Australia, Australia Botryoidal greay cryptomelane overgrown by drusy white zincian collinsite, and some fine needles of white scholzite. Photo and specimen: R. Bottrill. Size: 45mm across. |
| © R. Bottrill | Photo ID: 208027 View Count: 58 |
Cryptomelane : K(Mn4+,Mn2+)8O16 | |
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Bihain, Vielsalm, Stavelot Massif, Luxembourg Province, Belgium Size: 5 x 2,5 cm Collection and photo: Arliguie M |
| © Arliguie M | Photo ID: 92498 View Count: 189 |
Cryptomelane : K(Mn4+,Mn2+)8O16 | |
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Bihain, Vielsalm, Stavelot Massif, Luxembourg Province, Belgium Sample size: 8 X 5,5 cm Collection and photo: Arliguie M |
| © Arliguie M | Photo ID: 183363 View Count: 92 |
Cryptomelane : K(Mn4+,Mn2+)8O16 | |
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Bel Air Mine, La Chapelle Largeau, Deux-Sèvres, Poitou-Charentes, France Field of view: 4mm, Photo & Collection: JM.Johannet. |
| © JM. Johannet | Photo ID: 47941 View Count: 365 |
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Kamariza Mines (Kamareza Mines), Agios Konstantinos [St Constantine] (Kamariza), Lavrion District Mines, Lavrion (Laurion; Laurium) District, Attikí (Attica; Attika) Prefecture, Greece Sprays of black cryptomelane needles on quartz. The one in the SE corner is 1.15 mm long. Specimen obtained from Francesco Bonotti at Tisnov show, May 2008 - thanks! |
| © Ł Kruszewski 2007 | Photo ID: 176435 View Count: 109 |
Cryptomelane : K(Mn4+,Mn2+)8O16 | |
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Esperanza Mine, Lavrion Mines, Lavrion (Laurion; Laurium), Lavrion District Mines, Lavrion (Laurion; Laurium) District, Attikí (Attica; Attika) Prefecture, Greece field of view 4mm.Photo & collection Paolo Grosso |
| © paolo grosso | Photo ID: 111431 View Count: 159 |
Cryptomelane : K(Mn4+,Mn2+)8O16, Pyrolusite : MnO2 | |
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Hátsó Tarnóca Quarry, Kisnána, Mátra Mts., Heves Co., Hungary Stalactitic, black manganese oxides mix (cryptomelane,pyrolusite). Width ofthe picture:6mm |
| © Tamás Ungvári 2006 | Photo ID: 52678 View Count: 206 |
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Cerchiara Mine, Borghetto Vara, Vara Valley, La Spezia Province, Liguria, Italy SEM image of fibrous agregate of megascopicaly black, aegirine-like cryptomelane from quartz vein in namansilite-quartz rock. While the same vein contain greenish-grey fibres of very Cl-rich cerchiaraite, I'd suppose, that this mineral is another more deep-green (almost black) variety of cerchiaraite. But this mineral show composition intermediate ... |
| © Pavel M. Kartashov | Photo ID: 187755 View Count: 98 |
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