| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Brazil > Topaz (gem-grade crystal) |
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| DESCRIPTION: | No. 55468 |
| Mineral: | Topaz (gem-grade crystal) |
| Locality: | Tres Barras Mine, Teofilo Otoni, Minas Gerais, Brazil |
| Description: | Flawless gem-grade colorless topaz crystal with striated prism faces and rounded termination faces. The topaz crystal was recovered from an alluvial-colluvial deposit resulting in edge chipping and has remnants of brown laterite in crevices. Weight: 129.9 grams |
| Overall Size: | 7.5x4.5x2.2 cm |
| Crystals: | 70 mm |
| Archived: | For reference only |
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