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Sericite from
Sunnyside Mine group (American Tunnel Mine; American Tunnel; Gold King Mine; Washington Mine; Belle Creole; Gold Prince; Brenneman Mine; Mogul Mine), Bonita Peak, Gladstone, Eureka District, San Juan Co., Colorado, USA

Classification
Species:Muscovite var: Sericite
Confirmation
Validity:Believed Valid
References
References:Rocks & Min.: 63: 366-384.; USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10167210.
Data
Mineral Data:Click here to view Sericite data
Locality Data:Click here to view Sunnyside Mine group (American Tunnel Mine; American Tunnel; Gold King Mine; Washington Mine; Belle Creole; Gold Prince; Brenneman Mine; Mogul Mine), Bonita Peak, Gladstone, Eureka District, San Juan Co., Colorado, USA
Nearest other occurrences of Sericite
3.9km (2.4 miles) A Vermillion, Eureka District, San Juan Co., Colorado, USA
5.1km (3.2 miles) B Tom Moore Lode, Eureka District, San Juan Co., Colorado, USA
7.9km (4.9 miles) C Idarado Mine, Telluride, Ouray District (Uncompahgre District), San Miguel Co., Colorado, USA
8.0km (5.0 miles) D Ruby Mine, Galena Mountain, Howardsville, Animas District, San Juan Co., Colorado, USA
8.6km (5.3 miles) E Laura Dunmore occurrence, Hayden Mountain North, Uncompahgre District, Ouray, Ouray District, San Juan Mts, Ouray Co., Colorado, USA
8.7km (5.4 miles) F Longfellow Mine, Red Mountain District, San Juan Co., Colorado, USA
10.2km (6.4 miles) G Brooklyn Mine, Brown's Gulch, Red Mountain District, San Juan Co., Colorado, USA
10.3km (6.4 miles) H Ridgway Mine, Galena Mountain, Howardsville, Animas District, San Juan Co., Colorado, USA
12.5km (7.8 miles) I Camp Bird Mine, Camp Bird, Sneffels District (Sneffels - Red Mountain District; Mount Sneffels District), Ouray, Ouray District, San Juan Mts, Ouray Co., Colorado, USA
13.4km (8.3 miles) J Mineral Farm Mine, Ouray, Ouray District, San Juan Mts, Ouray Co., Colorado, USA
15.3km (9.5 miles) K The Blowout Occurrence, Ouray District (Uncompahgre District), Ouray Co., Colorado, USA
15.3km (9.5 miles) L American Nettie, Gold Hill District, Ouray Co., Colorado, USA
15.4km (9.5 miles) M Sultan Mountain, Silverton, Animas District, San Juan Co., Colorado, USA
16.5km (10.3 miles) N Johnathan, Gold Hill District, Ouray Co., Colorado, USA
19.0km (11.8 miles) O Ophir Valley occurrence (New Dominion; Nevada Gulch; Silver Tip Lower Yellow Jacket; Chapman Gulch), Ophir District (Iron Springs District), San Miguel Co., Colorado, USA
20.0km (12.4 miles) P News Boy, Paquin District, Ouray Co., Colorado, USA
21.3km (13.3 miles) Q Beth Group, Uncompahgre Peak Area, Hinsdale Co., Colorado, USA
24.2km (15.0 miles) R Treasure Hill Spar Claim (Patented Claims: Treasure Hill Spar; MS 1085), Galena District (Henson Creek District), Hinsdale Co., Colorado, USA
25.3km (15.7 miles) S Hidden Treasure Mine, Lake City, Lake City District (Lake District), Hinsdale Co., Colorado, USA
29.6km (18.4 miles) T Oulay Mine (Ulay Mine; Ute-Ulay Mine), Lake City, Lake City District (Lake District), Hinsdale Co., Colorado, USA
33.3km (20.7 miles) U Chicago Basin Disseminated Molybdenum Deposit, Needle Mountain District (Tacoma District; Florida District; Vallecito District), La Plata Co., Colorado, USA
41.5km (25.8 miles) V Rico Argentine Mine, Silver Creek, Rico District (Pioneer District), Dolores Co., Colorado, USA
41.7km (25.9 miles) W Logan Mine (Logan Group; Goliath; MS 19665; General O. O. Howard; MS 2478; General Sherman; MS 2477; General Sheridan; MS 2479; Patented Claims: General Logan; MS 2476; Little Casper; MS 19665), Rico District (Pioneer District), Dolores Co., Colorado, USA
43.5km (27.0 miles) X Black Wonder Prospect (San Juan National Forest), Rico District (Pioneer District), Dolores Co., Colorado, USA
43.6km (27.1 miles) Y Rico District (Pioneer District), Montezuma Co., Colorado, USA
47.2km (29.3 miles) Z Calico Peak Alunite Deposit, Horse Creek, Rico District (Pioneer District), Rico Mts, Dolores Co., Colorado, USA
59.6km (37.0 miles) 0 Neglected Mine, La Plata District (California District), La Plata Co., Colorado, USA
63.0km (39.1 miles) 1 Bessie G Mine, La Plata District (California District), La Plata Co., Colorado, USA
63.8km (39.6 miles) 2 Columbus Mine (Last Chance; MS 17252; Maverick; MS 9223; Columbus; MS 9223; Moonlight; MS 9179; Little Mack; MS 1144; Gold Cup; MS 9223), La Plata District (California District), La Plata Co., Colorado, USA
65.3km (40.6 miles) 3 Piedra Peak - Red Mountain Alunite Deposits (Colorado Tunnel), Piedra Peak-South River Peak-Red Mountain Area, Mineral Co., Colorado, USA
66.1km (41.1 miles) 4 Headlight Mine, Goose Creek District, Gunnison Co., Colorado, USA
67.3km (41.8 miles) 5 Ironcap Mine (Patented Claims: Iron Cap; MS 8973; Iron Band; MS 8973), Goose Creek District, Gunnison Co., Colorado, USA
67.5km (42.0 miles) 6 Copper King Mine (MS 18761; Patented Claim: Copper King), Goose Creek District, Gunnison Co., Colorado, USA
69.4km (43.1 miles) 7 Allard Tunnel Occurrence (Audrey Nos. 1-2; Protection; Ruby Nos. 1-95; Shorty Nos. 1-4; Jane Nos. 1-4; Minnie), La Plata District (California District), La Plata Co., Colorado, USA
72.0km (44.7 miles) 8 Good Hope Mine (Mammoth Good Hope Mine; Mammoth-Good Hope Mine; Mammoth Chimney Mine), Vulcan, Vulcan District (Cebolla District; Domingo District), Gunnison Co., Colorado, USA
72.7km (45.2 miles) 9 Vulcan Mine, Vulcan District (Cebolla District; Domingo District), Gunnison Co., Colorado, USA
Mineral and/or Locality  
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