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Dumortierite
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| Mineral: | Dumortierite: Al6.5-7(BO3)(SiO4)3(O,OH)3 | |||||
| Comments: | Blue dumortierite in matrix. | |||||
| Location: | Hartmannsdorf, Chemnitz, Saxony, Germany. | |||||
| Scale: | Picture size 5 mm. | |||||
| Copyright: | © Thomas Witzke / Abraxas-Verlag | |||||
| Counter: | This Image has been shown 459 times | |||||
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