| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Brazil > Corundum |
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| DESCRIPTION: | No. 16621 |
| Mineral: | Corundum |
| Locality: | Cajazieras, Paraíba, Brazil |
| Description: | Doubly-terminated blue-gray corundum crystal with no matrix attached. The termination at one end has an unusual wedge-shaped segment, probably due to internal twinning. Complete on all faces - a floater. Ex. Earle C. Sullivan (1906-2005), author of History and Minerals of Old Mine Park, Trumbull, Ct. |
| Overall Size: | 6x3.5x2.5 cm |
| Crystals: | 6 cm |
| Archived: | For reference only |
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