Mineralienatlas - Fossilienatlas
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Inserted from |
Philip Blümner, Nürnberg, Mittelfranken, Deutschland |
Collectors Summary
| Chemical Formula | (Na,Ca)2Ta2O6(O,OH,F) |
| Color | gelblichbraun, rötlichbraun, grünlich braun, grün, grau |
| Streak color | hellgelb |
| Crystal System | kubisch, Fd3m |
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