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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Fluorite from
Esmerelda (Esmerelda Tunnel), La Plata Mining District (California Mining District), La Plata County, Colorado, USA


Locality type:Mine
Classification
Species:Fluorite
Formula:CaF2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Fluorite data
Locality Data:Click here to view Esmerelda (Esmerelda Tunnel), La Plata Mining District (California Mining District), La Plata County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:1954799
Long-form Identifier:1:3:1954799:2
GUID (UUID V4):0
Nearest other occurrences of Fluorite
0.2km (0.1 miles) Copper Hill Mine, La Plata, La Plata Mining District (California Mining District), La Plata County, Colorado, USA
1.7km (1.0 miles) Allard Tunnel Occurrence, La Plata Mining District (California Mining District), La Plata County, Colorado, USA
1.7km (1.1 miles) Allard Stock, La Plata Mining District (California Mining District), La Plata County, Colorado, USA
4.4km (2.7 miles) Gold King Mine, La Plata Mining District (California Mining District), La Plata County, Colorado, USA
4.9km (3.0 miles) Eureka - Bulldozer Mine, La Plata Mining District (California Mining District), La Plata County, Colorado, USA
5.8km (3.6 miles) Jennie Lind Mine, La Plata Mining District (California Mining District), La Plata County, Colorado, USA
6.8km (4.2 miles) Bessie G Mine, La Plata Mining District (California Mining District), La Plata County, Colorado, USA
16.1km (10.0 miles) Mason Mine, La Plata Mining District (California Mining District), La Plata County, Colorado, USA
33.9km (21.1 miles) Blackhawk Mine (Black Hawk Mine), Rico Mining District (Pioneer Mining District), Rico Mountains, Dolores County, Colorado, USA
34.1km (21.2 miles) Rico Argentine Mine, Silver Creek, Rico Mining District (Pioneer Mining District), Rico Mountains, Dolores County, Colorado, USA
References
Based on field assessment of dump material on June 7th 2026Identified by Ethan Ribble: Visual Identification
 
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