Vote for your favorite mineral in #MinCup26! - Cuprite vs. Orpiment
It's a fiery match of vibrant red Cuprite and just as saturated orange Orpiment battle for your votes!
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Coffinite from
Schwartzwalder Mine (Ralston Creek Mine), Ralston Buttes Mining District, Jefferson County, Colorado, USA


Locality type:Mine
Classification
Species:Coffinite
Formula:U(SiO4) · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Coffinite data
Locality Data:Click here to view Schwartzwalder Mine (Ralston Creek Mine), Ralston Buttes Mining District, Jefferson County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:355503
Long-form Identifier:1:3:355503:3
GUID (UUID V4):0
Nearest other occurrences of Coffinite
4.3km (2.7 miles) ⓘOld Leyden Mine, Foothill Mining District, Jefferson County, Colorado, USA
6.5km (4.1 miles) ⓘAubrey - Ladwig Mine (Aubrey Ladwig Lease; Gary Mine), Ralston Buttes Mining District, Jefferson County, Colorado, USA
8.3km (5.2 miles) ⓘLeyden Mine, Leyden, Foothill Mining District, Jefferson County, Colorado, USA
8.4km (5.2 miles) ⓘLadwig Group (Ladwig No. 2; Ladwig No. 3; Claims: Ladwig No. 1), Ralston Buttes Mining District, Jefferson County, Colorado, USA
20.2km (12.5 miles) ⓘWright lease (Foothills Mine), Idledale Mining District, Jefferson County, Colorado, USA
20.2km (12.5 miles) ⓘIdledale Mining District, Jefferson County, Colorado, USA
25.0km (15.5 miles) ⓘStanley Mine (Gehrmann; Cooper; York; Whale; Golden Link), Idaho Springs Mining District (Virginia Mining District), Clear Creek County, Colorado, USA
26.7km (16.6 miles) ⓘFairday Mine, Central Mining District, Boulder County, Colorado, USA
30.8km (19.1 miles) ⓘBlue Jay Mine, Jamestown, Jamestown Mining District, Boulder County, Colorado, USA
35.5km (22.1 miles) ⓘFair Day Mine, Jamestown Mining District, Boulder County, Colorado, USA
References
USGS Open-File Report 83-417
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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