Rico District (Pioneer District), Dolores Co., Colorado, USA

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Calcite : CaCO₃, Hematite : Fe₂O₃
	Atlantic Cable Mine, Rico, Rico District (Pioneer District), Dolores Co., Colorado, USA Calcite on specular hematite, collected August, 1987. Alan Goldstein specimen (5047) and photo. FOV ~5 mm
© Alan Goldstein	Photo ID: 42695 View Count: 212
Hematite : Fe₂O₃, Siderite : FeCO₃
	Atlantic Cable Mine, Rico, Rico District (Pioneer District), Dolores Co., Colorado, USA Specular hematite with a tiny siderite rhomb, collected August, 1987. Alan Goldstein specimen (5047) and photo. FOV ~5 mm
© Alan Goldstein	Photo ID: 42696 View Count: 263
Hematite : Fe₂O₃
	Atlantic Cable Mine, Rico, Rico District (Pioneer District), Dolores Co., Colorado, USA Hematite with fairly large crystals in greenstone, collected August 1987. Alan Goldstein specimen (#5048) and photo.
© Alan Goldstein	Photo ID: 49005 View Count: 229
Hematite : Fe₂O₃
	Atlantic Cable Mine, Rico, Rico District (Pioneer District), Dolores Co., Colorado, USA Specular hematite, collected August 1987. Alan Goldstein specimen (#5050) and photo.
© Alan Goldstein	Photo ID: 49007 View Count: 227
Hematite : Fe₂O₃
	Atlantic Cable Mine, Rico, Rico District (Pioneer District), Dolores Co., Colorado, USA Hematite in chert, collected August 4, 1987. Alan Goldstein specimen (#5058A) and photo.
© Alan Goldstein	Photo ID: 49009 View Count: 207
Molybdenite : MoS₂, Pyrite : FeS₂
	Rico Argentine Mine, Silver Creek, Rico District (Pioneer District), Dolores Co., Colorado, USA 10.2 x 9.5 x 4.0 cm. Bravoite was the name given to an uncommon nickeloan variety of pyrite and this showy, old-time, Colorado cabinet specimen is from a very uncommon locale - the Rico Argentine Mine at Rico. A thin coating of brassy bravoite covers the lustrous, elongated, tabular, modified pyrite crystals on this very showy piece. Ex. Jaime ...
© Rob Lavinsky	Photo ID: 240029 View Count: 21
Pyrite : FeS₂, Chalcocite : Cu₂S
	Rico Argentine Mine, Silver Creek, Rico District (Pioneer District), Dolores Co., Colorado, USA Large cluster of pyrite crystals (up to 8 cm!) with a steel-colored surface coating due to chalcocite. This coating is often incorrectly identified as bravoite. Excellent cluster, no damage. Originally acquired in 1962 from Scott Williams. Ex. Dr. E. Sensel collection #B170. Overall size of mineral specimen: 11x9x8 cm. Size of individual crystals: ...
© 2001 John H. Betts	Photo ID: 819 View Count: 394
Pyrite : FeS₂
	Rico District (Pioneer District), Dolores Co., Colorado, USA An excellent, pristine cluster of lustrous, brassy and striated pyrite pyritohedrons from the famous Colorado mining district of Rico. Rico produced some of Colorados finest pyrite. Old material, as the last mine closed in 1971. See the Mineralogical Record May-June 1985 issue. Ex Gene Meieran Collection. 7.5 x 5.7 x 4.3 cm
© Rob ++++++++	Photo ID: 18936 View Count: 221
Pyrite : FeS₂
	Jones Mine (St. Louis claim), Expectation Mountain, Rico District (Pioneer District), Dolores Co., Colorado, USA All you collectors of Colorado minerals, gather around. This fascinating specimen of pyrite features a crystal with unusual distorted, flattened, step -like terminations, and mirror bright luster. In addition, it once was part of two fine mineral collections, colorado specialist E. Mitchell Gunnell and later Richard Hauck. 6 x 5 x 2 cm
© Rob Lavinsky	Photo ID: 53833 View Count: 168
Pyrite : FeS₂
	Rico, Rico District (Pioneer District), Dolores Co., Colorado, USA A superbly crystallized pyrite specimen for this mining district! The specimen is comprised of a grouping of slightly elongated brassy crystals measuring 4.5 x 4.2 x 7.3 cm in size overall; completely crystallized all around with no points of attachment. Only very minor chipping is present; overall this is in great shape damage-wise. Ex Don ...
© Dan Weinrich	Photo ID: 137804 View Count: 89