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
Good Friday Mine, Boulder County Tungsten Mining District, Boulder County, Colorado, USA


Locality type:Mine
Classification
Species:Ferberite
Formula:FeWO4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Ferberite data
Locality Data:Click here to view Good Friday Mine, Boulder County Tungsten Mining District, Boulder County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:436045
Long-form Identifier:1:3:436045:2
GUID (UUID V4):0
Nearest other occurrences of Ferberite
1.0km (0.6 miles) ⓘEureka Mine (Eureka Alta), Boulder County Tungsten Mining District, Boulder County, Colorado, USA
1.2km (0.7 miles) ⓘFraction Lode (June; Lord Byron; Catastrophe; Evening Post Occurrence), Boulder County Tungsten Mining District, Boulder County, Colorado, USA
1.2km (0.7 miles) ⓘHerald Occurrence, Boulder County Tungsten Mining District, Boulder County, Colorado, USA
1.4km (0.9 miles) ⓘPaymaster-Wheelman Tunnel Occurrence (Black Crystal; Black Prince; Mac Group; Pennsylvania), Boulder County Tungsten Mining District, Boulder County, Colorado, USA
1.4km (0.9 miles) ⓘRed Signe Mine, Boulder County Tungsten Mining District, Boulder County, Colorado, USA
1.4km (0.9 miles) ⓘPennsylvania Lode Occurrence, Boulder County Tungsten Mining District, Boulder County, Colorado, USA
1.6km (1.0 miles) ⓘMonday Lode, Sugarloaf Mining District, Boulder County, Colorado, USA
1.9km (1.2 miles) ⓘEagle Rock Mine, Boulder County Tungsten Mining District, Boulder County, Colorado, USA
2.5km (1.6 miles) ⓘMisers Delight Mine, Boulder County Tungsten Mining District, Boulder County, Colorado, USA
2.5km (1.6 miles) ⓘMagnolia Vein, Kekionga Mine, Magnolia 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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