Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Brookite from
Little Johnnie Mine (Cathey Nos. 1-5; Unpatented Claims: Little Johnnie Nos. 1-2; Charley Nos. 1-5; Little Johnnie Extension), Goose Creek Mining District, Gunnison County, Colorado, USA


Locality type:Mine
Classification
Species:Brookite
Formula:TiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Brookite data
Locality Data:Click here to view Little Johnnie Mine (Cathey Nos. 1-5; Unpatented Claims: Little Johnnie Nos. 1-2; Charley Nos. 1-5; Little Johnnie Extension), Goose Creek Mining District, Gunnison County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:791488
Long-form Identifier:1:3:791488:1
GUID (UUID V4):0
Nearest other occurrences of Brookite
0.7km (0.4 miles) ⓘAnatase locality, Lot mine, Cebolla Mining District (Goose Creek Mining District), Gunnison County, Colorado, USA
8.1km (5.1 miles) ⓘIron Hill deposit, White Earth Mining District (Powderhorn Mining District), Gunnison County, Colorado, USA
60.4km (37.5 miles) ⓘZanett Tunnel, The Amphitheater, Ouray Mining District, Ouray County, Colorado, USA
61.0km (37.9 miles) ⓘSilver Link Mine, Upper Uncompahgre River, Ouray Mining District, Ouray County, Colorado, USA
65.8km (40.9 miles) ⓘTopeka-Kentucky Giant vein, Gray Copper Gulch, Ouray County, Colorado, USA
66.0km (41.0 miles) ⓘIndiana Mine, Gray Copper Gulch, Ouray County, Colorado, USA
66.2km (41.1 miles) ⓘTopeka Mine, Gray Copper Gulch, Ouray County, Colorado, USA
66.3km (41.2 miles) ⓘSilver Mountain Mine, Gray Copper Gulch, Ouray County, Colorado, USA
References
Page, Lincoln R., Stocking, Hobart E., Smith, Harriet B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. Professional Paper 300. US Geological Survey doi:10.3133/pp300
 
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