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Ramsdellite : Mn4+O2, Pyrolusite : MnO2, Quartz (Var: Flint) : SiO2 | |
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El'vor (El'vorskoe) deposit, Göygöl (Hanlar) district, Azerbaijan Radial spherulites of shining black Ramsdellite along the fissure in flint concretion. Associating minerals are black earthy Pyrolusite and minor Quartz venlets in flint. Ramsdellite from this locality is the best on all territory of former Soviet Union. Specimen size is 10x6x4 cm. Collected by Polina F. Andrushchenko in 1964. Pavel M. Kartashov ... |
| © Pavel M. Kartashov | Photo ID: 258439 View Count: 21 |
Ramsdellite : Mn4+O2 | |
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Clara Mine, Rankach valley, Oberwolfach, Wolfach, Black Forest, Baden-Württemberg, Germany Picture width 2 mm. Collection and foto Stephan Wolfsried |
| © Stephan Wolfsried | Photo ID: 103355 View Count: 237 |
Ramsdellite : Mn4+O2 | |
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Serra da Mina, Cercal (Cercal do Alentejo), Santiago do Cacém, Setúbal District, Portugal Ramsdellite crystals up to 4mm in Goethite matrix - June of 2004 |
| © Martins da Pedra | Photo ID: 190482 View Count: 232 |
Ramsdellite : Mn4+O2 | |
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Serra da Mina, Cercal (Cercal do Alentejo), Santiago do Cacém, Setúbal District, Portugal Compact radial Ramsdellite crystals (is not common in this Mine )- Overall size 6x4x4cm - Self-collected in February of 2004 |
| © Martins da Pedra | Photo ID: 88413 View Count: 178 |
Ramsdellite : Mn4+O2, Goethite : α-Fe3+O(OH) | |
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Serra da Mina, Cercal (Cercal do Alentejo), Santiago do Cacém, Setúbal District, Portugal Compact and radiated Ramsdellite with Goethite - Overall size 7x6x5cm - Self-collected in February of 2004 |
| © Martins da Pedra | Photo ID: 90088 View Count: 151 |
Ramsdellite : Mn4+O2 | |
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Serra da Mina, Cercal (Cercal do Alentejo), Santiago do Cacém, Setúbal District, Portugal Ramsdellite crystals up to 4mm in Goethite matrix - June of 2004 |
| © Martins da Pedra | Photo ID: 191769 View Count: 108 |
Ramsdellite : Mn4+O2 | |
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Serra da Mina, Cercal (Cercal do Alentejo), Santiago do Cacém, Setúbal District, Portugal Ramsdellite crystals up to 4mm in Goethite matrix - June of 2004 |
| © Martins da Pedra | Photo ID: 190483 View Count: 86 |
Ramsdellite : Mn4+O2 | |
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Serra da Mina, Cercal (Cercal do Alentejo), Santiago do Cacém, Setúbal District, Portugal Ramsdellite crystals up to 4mm in Goethite matrix - June of 2004 |
| © Martins da Pedra | Photo ID: 190659 View Count: 79 |
Ramsdellite : Mn4+O2 | |
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Serra da Mina, Cercal (Cercal do Alentejo), Santiago do Cacém, Setúbal District, Portugal Ramsdellite crystals up to 4mm on Goethite matrix - June of 2004 |
| © Martins da Pedra | Photo ID: 191768 View Count: 69 |
Ramsdellite : Mn4+O2 | |
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Kesebol, Strandhem ore field, Åmål, Dalsland, Sweden SEM-photo Ramsdellite. Bar shows 100 um |
| © K.Gatedal | Photo ID: 5824 View Count: 544 |
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