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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Ferberite from
Missing Link Occurrence (Roderick; Cross No. 2; Rambler-Lower Rambler; Minnesota; Brace Tract; Tennessee; Blackhalk), Boulder County Tungsten Mining District, Boulder County, Colorado, USA


Locality type:Occurrence
Classification
Species:Ferberite
Formula:FeWO4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Ferberite data
Locality Data:Click here to view Missing Link Occurrence (Roderick; Cross No. 2; Rambler-Lower Rambler; Minnesota; Brace Tract; Tennessee; Blackhalk), Boulder County Tungsten Mining District, Boulder County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:493272
Long-form Identifier:1:3:493272:7
GUID (UUID V4):0
Nearest other occurrences of Ferberite
0.5km (0.3 miles) ⓘBlack Hawk No. 2 vein, Boulder County Tungsten Mining District, Boulder County, Colorado, USA
1.0km (0.6 miles) ⓘBlack Hawk No. 1 vein, Boulder County Tungsten Mining District, Boulder County, Colorado, USA
1.4km (0.9 miles) ⓘCrow No. 36, Boulder County Tungsten Mining District, Boulder County, Colorado, USA
1.4km (0.9 miles) ⓘTip Top, Boulder County, Colorado, USA
1.4km (0.9 miles) ⓘTown Lot, Boulder County Tungsten Mining District, Boulder County, Colorado, USA
1.6km (1.0 miles) ⓘMock Shaft Occurrence (Big Six Mine), Boulder County Tungsten Mining District, Boulder County, Colorado, USA
1.6km (1.0 miles) ⓘBlack Iron Occurrence (Mammoth; Sunday; Mary Nelson; March; Tungsten; Elsie and Windy Tunnel; Tungsten Mtn. Nos. 6 & 9; Fitzsimmons No. 1), Boulder County Tungsten Mining District, Boulder County, Colorado, USA
1.6km (1.0 miles) ⓘTungsten Lode Mine, Boulder County Tungsten Mining District, Boulder County, Colorado, USA
2.0km (1.2 miles) ⓘManchester, Boulder County Tungsten Mining District, Boulder County, Colorado, USA
2.3km (1.4 miles) ⓘHoosier Mine, Boulder County Tungsten Mining District, Boulder County, Colorado, USA
References
Eckel, Edwin Butt; Cobban, Robert R.; Mosburg, Shirley K.; Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
 
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