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
Old Leyden Mine, Foothill 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 Old Leyden Mine, Foothill Mining District, Jefferson County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:377570
Long-form Identifier:1:3:377570:7
GUID (UUID V4):0
Nearest other occurrences of Coffinite
4.0km (2.5 miles) ⓘLeyden Mine, Leyden, Foothill Mining District, Jefferson County, Colorado, USA
4.3km (2.7 miles) ⓘSchwartzwalder Mine (Ralston Creek Mine), Ralston Buttes Mining District, Jefferson County, Colorado, USA
7.9km (4.9 miles) ⓘAubrey - Ladwig Mine (Aubrey Ladwig Lease; Gary Mine), Ralston Buttes Mining District, Jefferson County, Colorado, USA
9.5km (5.9 miles) ⓘLadwig Group (Ladwig No. 2; Ladwig No. 3; Claims: Ladwig No. 1), Ralston Buttes Mining District, Jefferson County, Colorado, USA
20.6km (12.8 miles) ⓘIdledale Mining District, Jefferson County, Colorado, USA
20.6km (12.8 miles) ⓘWright lease (Foothills Mine), Idledale Mining District, Jefferson County, Colorado, USA
28.1km (17.5 miles) ⓘFairday Mine, Central Mining District, Boulder County, Colorado, USA
29.1km (18.1 miles) ⓘStanley Mine (Gehrmann; Cooper; York; Whale; Golden Link), Idaho Springs Mining District (Virginia Mining District), Clear Creek County, Colorado, USA
31.8km (19.8 miles) ⓘBlue Jay Mine, Jamestown, Jamestown Mining District, Boulder County, Colorado, USA
37.4km (23.3 miles) ⓘFair Day Mine, Jamestown Mining District, Boulder County, Colorado, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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