| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from China > Bournonite (twinned crystals) |
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| DESCRIPTION: | No. 81551 |
| Mineral: | Bournonite (twinned crystals) |
| Locality: | Yaogangxian Mine, 32 km southeast of Chenzhou, Hunan, China |
| Description: | Doubly terminated complexly-twinned lustrous silver-metallic bournonite crystals fully crystallized on all faces except one corner where they were attached. The bournonite crystals have striated prism faces with complex parallel termination faces. Bournonite, PbCuSbS3, is an uncommon lead-copper sulfosalt mineral. Weight: 20.0 grams. Reference: Mineralogical Record v.42#6, Rocks and Minerals v.80#1 |
| Overall Size: | 25x19x15 mm |
| Crystals: | 7-20 mm |
| Archived: | For reference only |
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