| Locality type: | Outcrop |
| Classification |
|---|
|
| Species: | Sillimanite |
| Formula: | Al2(SiO4)O |
| Confirmation |
|---|
|
| Validity: | Believed Valid |
| Data |
|---|
|
| Mineral Data: | Click here to view Sillimanite data |
| Locality Data: | Click here to view Gneiss, Bryan Ranch area, Park County, Colorado, USA |
| Data Identifiers |
|---|
|
| Mindat Occurrence Record ID: | 493733 |
| Long-form Identifier: | 1:3:493733:3 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Sillimanite |
|---|
|
|
| 9.0km (5.6 miles) | ⓘRound Mountain Group, Tarryall Springs Mining District (Puma City), Park County, Colorado, USA |
| 10.4km (6.5 miles) | ⓘBlue Mountain Mine, Tarryall Springs Mining District (Puma City), Park County, Colorado, USA |
| 23.9km (14.9 miles) | ⓘFamous Lode Mica Prospect (Famous Lodge Pegmatites; Little Joe From Kokomo Claim Adjoining), Micanite Mining District (Currant Creek Mining District), Colorado, USA |
| 25.5km (15.8 miles) | ⓘBetty Mine (Lone Chimney Mine; Betty Lowe), Guffey Mining District, Park County, Colorado, USA |
| 29.9km (18.6 miles) | ⓘClimax Mine (Mine No. 8 U.S. Mica Company; Climax Mica Mine), Micanite Mining District (Currant Creek Mining District), Colorado, USA |
| 31.5km (19.6 miles) | ⓘRed Mountain, Cripple Creek Mining District, Teller County, Colorado, USA |
| 31.7km (19.7 miles) | ⓘWhopper Mine and Prospect, Micanite Mining District (Currant Creek Mining District), Colorado, USA |
| 55.1km (34.2 miles) | ⓘCalumet Mine, Turret Mining District, Chaffee County, Colorado, USA |
| 55.6km (34.6 miles) | ⓘDevil's Hole Mine, Fremont County, Colorado, USA |
| 57.9km (36.0 miles) | ⓘIndependence Mine, Turret Mining District, Chaffee County, Colorado, USA |
| References |
|---|
|
|
|
