| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from China > Bournonite with Chalcopyrite in epitactic orientation |
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| DESCRIPTION: | No. 69135 |
| Mineral: | Bournonite with Chalcopyrite in epitactic orientation |
| Locality: | Yaogangxian Mine, Nanling Mountains, Hunan, China |
| Description: | Unusual formation of lustrous gray-metallic bournonite crystals to 14 mm intergrown with yellow-metallic chalcopyrite crystals to 18 mm in epitactic orientation (parallel) caused by the molecules of each mineral aligning perfectly to each other. Rare. Ex. Georg Gebhard. For locality information see: Mineralogical Record v.42#6, Rocks and Minerals v.80#1 |
| Overall Size: | 38x24x19 mm |
| Crystals: | 2-14 mm |
| Archived: | For reference only |
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