| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from China > Bournonite |
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| DESCRIPTION: | No. 69126 |
| Mineral: | Bournonite |
| Locality: | Yaogangxian Mine, Nanling Mountains, Hunan, China |
| Description: | Several intersecting lustrous gray-metallic bournonite crystals with no matrix attached. The bournonite crystals are repeatedly twinned on the {110} plane resulting in classic cogwheel-habit that resembles a gear with teeth when viewed on end. Ex. Georg Gebhard. For locality information see: Mineralogical Record v.42#6, Rocks and Minerals v.80#1 |
| Overall Size: | 35x22x15 mm |
| Crystals: | 8-20 mm |
| Archived: | For reference only |
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