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Cordierite : (Mg,Fe)2Al4Si5O18 | |
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Tvedestrand, Aust-Agder, Norway Field of view 2,5 cm - Photo & collection M.Mader |
| © 2005 - MMI | Photo ID: 32952 View Count: 306 |
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Tvedestrand, Aust-Agder, Norway Cordierite on Quartz. Cordierite(blue) crystal 30x20mm. Specimen size 6x5cm. (This is an Old specimen). Photo and Collection; Jorge M. Alves. |
| © Jorge M. Alves | Photo ID: 85250 View Count: 191 |
Fergusonite-(Y) : YNbO4 | |
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Tvedestrand, Aust-Agder, Norway Massive sample; 3.5x2.4x1.8cm; Collection of Rudy Bolona. |
| Photo ID: 146861 View Count: 115 | |
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