Vote for your favorite mineral in #MinCup26! - Hafnon vs. Putnisite
It's a pair of tiny minerals of unusual chemistry as orange Hafnon battles with purple Putnisite.
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Quartz from
Little Eddie Mine, Devils Head Pegmatite Mining District, Douglas County, Colorado, USA


Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Little Eddie Mine, Devils Head Pegmatite Mining District, Douglas County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:743355
Long-form Identifier:1:3:743355:9
GUID (UUID V4):0
Nearest other occurrences of Quartz
0.2km (0.1 miles) ⓘBaldwin Mine, Devils Head Pegmatite Mining District, Douglas County, Colorado, USA
0.5km (0.3 miles) ⓘLittle Joe, Devils Head Pegmatite Mining District, Douglas County, Colorado, USA
2.9km (1.8 miles) ⓘLong Hollow, Devils Head Pegmatite Mining District, Douglas County, Colorado, USA
3.4km (2.1 miles) ⓘSkeleton No. 2 pegmatite, Devils Head Pegmatite Mining District, Douglas County, Colorado, USA
3.8km (2.4 miles) ⓘLittle Anna, Devils Head Pegmatite Mining District, Douglas County, Colorado, USA
4.9km (3.0 miles) ⓘFern Creek, Devils Head Pegmatite Mining District, Douglas County, Colorado, USA
6.0km (3.7 miles) ⓘPlum Creek, Douglas County, Colorado, USA
9.0km (5.6 miles) ⓘDevils Head Occurrence (C.M.S.), Devils Head Pegmatite Mining District, Douglas County, Colorado, USA
11.8km (7.3 miles) ⓘLittle Eagle Occurrence, Devils Head Pegmatite Mining District, Douglas County, Colorado, USA
12.5km (7.8 miles) ⓘThree Musketeers Mine, Devils Head Pegmatite Mining District, Douglas County, Colorado, USA
References
Hanley, J.B., Heinrich, E.W., Page, L.R. (1950) Pegmatite investigations in Colorado, Wyoming, and Utah, 1942-1944. Professional Paper 227. US Geological Survey doi:10.3133/pp227
 
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