Locality type: | Mine |
Classification |
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Species: | Sillimanite |
Formula: | Al2(SiO4)O |
Confirmation |
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Validity: | Believed Valid |
Data |
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Mineral Data: | Click here to view Sillimanite data |
Locality Data: | Click here to view Green Mountain Mine (Copper Boy Mine), Grape Creek Mining District (Greenhorn Mining District), Fremont County, Colorado, USA |
Data Identifiers |
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Mindat Occurrence Record ID: | 736996 |
Long-form Identifier: | 1:3:736996:4 |
GUID (UUID V4): | 14d162b1-7af6-484d-9bbc-a1f92e9a8887 |
Nearest other occurrences of Sillimanite |
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3.2km (2.0 miles) | ⓘCopper Girl (Copper Girl 1906; Patented Claims: Valley View), Copper Gulch Area, Grape Creek Mining District (Greenhorn Mining District), Fremont County, Colorado, USA |
14.7km (9.1 miles) | ⓘFive Points Gulch, Fremont County, Colorado, USA |
20.3km (12.6 miles) | ⓘDevil's Hole Mine, Fremont County, Colorado, USA |
26.5km (16.5 miles) | ⓘMine Gulch, Cotopaxi, Cotopaxi Mining District, Fremont County, Colorado, USA |
26.6km (16.6 miles) | ⓘCotopaxi Mine (Cotopaxi lode; Gumaer Mine; Fannie lode; Fannie Mill), Mine Gulch, Cotopaxi, Cotopaxi Mining District, Fremont County, Colorado, USA |
35.3km (21.9 miles) | ⓘWhopper Mine and Prospect, Micanite Mining District (Currant Creek Mining District), Fremont County, Colorado, USA |
37.0km (23.0 miles) | ⓘClimax Mine (Mine No. 8 U.S. Mica Company; Climax Mica Mine), Micanite Mining District (Currant Creek Mining District), Fremont County, Colorado, USA |
43.1km (26.8 miles) | ⓘFamous Lode Mica Prospect (Famous Lodge Pegmatites; Little Joe From Kokomo Claim Adjoining), Micanite Mining District, Park County, Colorado, USA |
44.5km (27.6 miles) | ⓘBetty Mine (Lone Chimney Mine; Betty Lowe), Guffey Mining District, Park County, Colorado, USA |
48.0km (29.9 miles) | ⓘRed Mountain, Cripple Creek Mining District, Teller County, Colorado, USA |
References |
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Spry, P. G., McFadden, S., Teale, G. S., Alers, B., Shallow, J. M., & Glenn, J. M. (2021). Nodular sillimanite rocks as field indicators to metamorphosed massive sulfide deposits. Ore Geology Reviews, 104632. |