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Hummer Mine, Jo Dandy Mine (Paradox D; Hummer; C; Blackburn; Yellow Bird No. 1; Oversight; Broker), Paradox Valley, Uravan District, Montrose Co., Colorado, USA
Detailed Mineral List:
| Carnotite | ||
| Formula: | K2(UO2)2(VO4)2 · 3H2O | |
| Reference: | Minerals of Colorado (1997) Eckels, E. B. | |
| Fervanite | ||
| Formula: | Fe3+4V5+4O16 · 5H2O | |
| Reference: | Minerals of Colorado (1997) Eckel, E. B. | |
| Gypsum | ||
| Formula: | CaSO4 · 2H2O | |
| Reference: | Min Rec (1993) 24:311-314 | |
| Hewettite | ||
| Formula: | CaV6O16 · 9H2O | |
| Reference: | Minerals of Colorado (1997) Eckel, E. B. | |
| Hummerite (TL) |  | |
| Formula: | K2Mg2(V10O28) · 16H2O | |
| Type Locality: | Hummer Mine, Jo Dandy Mine (Paradox D; Hummer; C; Blackburn; Yellow Bird No. 1; Oversight; Broker), Paradox Valley, Uravan District, Montrose Co., Colorado, USA | |
| Description: | Translucent yellow to orange in color, water soluble, and similar in appearance to pascoite, hummerite forms vein fillings with columnar structure parallel to the walls. It also forms a granular crust and efflorescence that coats or cements sandstone in | |
| Reference: | Amer.Min.(1951) 36, 326-327, "Minerals of Colorado, updated & revised", p. 271 & photo 133, by Eckel, Edwin B., 1997 | |
| Photo: © Brent Thorne. Hummerite from Hummer Mine, Jo Dandy Mine, Paradox Valley, Uravan District, Montrose Co., Colorado, USA | ||
| Metahewettite | ||
| Formula: | CaV6O16 · 3H2O | |
| Reference: | Min Rec (1993) 24:311-314 | |
| Metarossite | ||
| Formula: | Ca(V2O6) · 2H2O | |
| Reference: | Minerals of Colorado (1997) E.B. Eckels | |
| Navajoite | ||
| Formula: | Fe3+V5+9O24 · 12H2O | |
| Reference: | Minerals of Colorado (1997) E.B. Eckels | |
| Rauvite | ||
| Formula: | Ca(UO2)2(V10O28) · 16H2O | |
| Reference: | Minerals of Colorado (1997) Eckel, E. B. | |
| Simplotite | ||
| Formula: | CaV4+4O9 · 5H2O | |
| Reference: | Minerals of Colorado (1997) E.B. Eckels | |
10 entries listed. 9 valid minerals. 1 type locality (valid mineral).
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Locality Updated: Tannbrunn, Brunn an der Wild, Waldviertel, Lower Austria, AustriaFrom Harald Schillhammer, 25th May 2013 12:50:03