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Pyrite : FeS2, Galena : PbS | |
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Black Cloud Mine (Resurrection Mine 0080650339; Yak Tunnel; Leadville Unit; Irene Shaft), Iowa Gulch, Leadville, Leadville District, Lake Co., Colorado, USA Classic specimen of gray cubic galena crystals up to 6 mm with brassy pyrite crystals up to 7 mm and scattered quartz, sphalerite, calcite throughout. Originally acquired from R. Kosnar in 1979. Ex. Dr. E. Sensel collection #B1 904. Overall size of mineral specimen: 11x9x4 cm. Size of individual crystals: 2-7 mm. |
| © 2001 John H. Betts | Photo ID: 955 View Count: 432 |
Pyrite : FeS2 | |
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Black Cloud Mine (Resurrection Mine 0080650339; Yak Tunnel; Leadville Unit; Irene Shaft), Iowa Gulch, Leadville, Leadville District, Lake Co., Colorado, USA Several sparkling specimens of pyrite with other sulfides mixed in. Overall size of mineral specimen: 1-4 cm. Size of individual crystals: 1 mm. |
| © 2003 John H. Betts | Photo ID: 7425 View Count: 316 |
Pyrite : FeS2 | |
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Black Cloud Mine (Resurrection Mine 0080650339; Yak Tunnel; Leadville Unit; Irene Shaft), Iowa Gulch, Leadville, Leadville District, Lake Co., Colorado, USA Considering that this is an “oldtimer” from Leadville, it is in remarkably good condition. The bright mirror luster and intergrown pyrite cubes to 2 cm, along with the sculptured appearance, make this specimen one of the nicest specimens I have seen from this venerated old locality. Old Burminco label. 10 x 7.3 x 2 cm |
| © Rob Lavinsky | Photo ID: 36940 View Count: 226 |
Pyrite : FeS2 | |
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Black Cloud Mine (Resurrection Mine 0080650339; Yak Tunnel; Leadville Unit; Irene Shaft), Iowa Gulch, Leadville, Leadville District, Lake Co., Colorado, USA A choice loose "floater" crystal of bright brassy lustrous pyrite measuring 3.1 x 2.6 x 2.5 cm in size. Complete all around with only very slight and minor chipping; overall in very good shape. The crystal shows nice striations. Very good for the locality. Ex Don Belsher collection; previous label from Robert Stouffer. Ref: Rocks & Minerals: ... |
| © Dan Weinrich | Photo ID: 133625 View Count: 94 |
Pyrite : FeS2 | |
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Black Cloud Mine (Resurrection Mine 0080650339; Yak Tunnel; Leadville Unit; Irene Shaft), Iowa Gulch, Leadville, Leadville District, Lake Co., Colorado, USA 3.5 x 3.0 x 3.0 cm. A superb, floater pyrite crystal with mirror-bright, brass-yellow lustre and beautiful striations from the well-known Black Cloud Mine, near Leadville. Complete-all-around with only very minor contacting. A classic, outstanding, textbook pyrite from this noted Colorado locale. Ex. Gene Meieran Collection. |
| © Rob Lavinsky | Photo ID: 264135 View Count: 6 |
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