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Kara Mines, Hampshire district, Tasmania, Australia A 65mm wide specimen of calcite with the silvery Todorokite (rare Mn oxide). Specimen and Photograph Andrew Tuma. (N-D60). The analysis was undertaken earlier in 2009 by J. Post as part of a study of Mn oxides from a number of locations worldwide. Included was a number of specimens from Kara Mine. The silvery masses as shown in the photo were ... |
| © Andrew Tuma | Photo ID: 246077 View Count: 49 |
Todorokite : (Ca,K,Na,Mg,Ba,Mn)(Mn,Mg,Al)6O12·3H2O | |
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Demix-Varennes quarry, Saint-Amable sill, Varennes & St-Amable, Lajemmerais RCM, Montérégie, Québec, Canada Specimen and photograph by Arnaldo Brunetti FOV 2mm Dendritic deposits found in altered miarolitic cavity. Not analyzed. |
| Photo ID: 232004 View Count: 43 | |
Todorokite : (Ca,K,Na,Mg,Ba,Mn)(Mn,Mg,Al)6O12·3H2O | |
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Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada Black masses of todorokite. Doug Merson photo and collection. |
| © DM 6/08 | Photo ID: 168970 View Count: 135 |
Todorokite : (Ca,K,Na,Mg,Ba,Mn)(Mn,Mg,Al)6O12·3H2O | |
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Clara Mine, Rankach valley, Oberwolfach, Wolfach, Black Forest, Baden-Württemberg, Germany Picture width 4 mm. Collection and foto Stephan Wolfsried |
| © Stephan Wolfsried | Photo ID: 119019 View Count: 238 |
Todorokite : (Ca,K,Na,Mg,Ba,Mn)(Mn,Mg,Al)6O12·3H2O, Baryte : BaSO4 | |
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Clara Mine, Rankach valley, Oberwolfach, Wolfach, Black Forest, Baden-Württemberg, Germany Picture width 4 mm. Collection and foto Stephan Wolfsried |
| © Stephan Wolfsried | Photo ID: 119020 View Count: 215 |
Todorokite : (Ca,K,Na,Mg,Ba,Mn)(Mn,Mg,Al)6O12·3H2O | |
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Bettolino, Baldissero Canavese, Canavese District, Torino Province, Piedmont, Italy This specimen overall size 4x3x4 cm.Photo and collection Paolo Grosso |
| © Paolo Grosso | Photo ID: 37243 View Count: 431 |
Todorokite : (Ca,K,Na,Mg,Ba,Mn)(Mn,Mg,Al)6O12·3H2O | |
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Bettolino, Baldissero Canavese, Canavese District, Torino Province, Piedmont, Italy Black Todorokite into white opal. Image width 30 mm. Photo and collection Giovanni Fraccaro. |
| © GiovanniFraccaro | Photo ID: 51931 View Count: 331 |
Todorokite : (Ca,K,Na,Mg,Ba,Mn)(Mn,Mg,Al)6O12·3H2O, Opal : SiO2·nH2O, Magnesite : MgCO3 | |
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Bettolino, Baldissero Canavese, Canavese District, Torino Province, Piedmont, Italy Black Todorokite into white opal with yellowish magnesite. Specimen size: 6x6x2 cm. Self collected 1981. Photo and collection Alessandro Cantamessa (#82). |
| Photo ID: 150575 View Count: 266 | |
Todorokite : (Ca,K,Na,Mg,Ba,Mn)(Mn,Mg,Al)6O12·3H2O | |
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Castagnola, Vagli di Sotto, Apuan Alps, Lucca Province, Tuscany, Italy Todorokite aggregates up to 0,7 mm. Type B occurrence. Self-collected in August 2003. |
| © Cristian B. | Photo ID: 21048 View Count: 482 |
Todorokite : (Ca,K,Na,Mg,Ba,Mn)(Mn,Mg,Al)6O12·3H2O | |
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Ikeshiro mine, Matsuzaki, Shizuoka prefecture, Chubu region, Honshu Island, Japan Plumose aggregates. S402-343 1.5 cm field of view. Excalibur Mineral Company specimen. |
| © 2008, JGW | Photo ID: 148340 View Count: 175 |
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