| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Arkansas > Rutile pseudomorph after Brookite |
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| DESCRIPTION: | No. 52571 |
| Mineral: | Rutile pseudomorph after Brookite |
| Locality: | Magnet Cove, Hot Spring County, Arkansas |
| Description: | Superb lustrous black complexly-twinned rutile pseudomorph after prismatic doubly-terminated 40 mm brookite crystal. The complex surface patterns are patches of parallel rutile crystal faces that alternate directions because of twinning. |
| Overall Size: | 4x2x1.5 cm |
| Crystals: | 40 mm pseudo |
| Archived: | For reference only |
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