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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Chert from
Grant Mine (State of Minnesota), Saint Louis County, Minnesota, USA


Locality type:Mine
Classification
Type:Chert
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chert data
Locality Data:Click here to view Grant Mine (State of Minnesota), Saint Louis County, Minnesota, USA
Data Identifiers
Mindat Occurrence Record ID:502982
Long-form Identifier:1:3:502982:2
GUID (UUID V4):0
Nearest other occurrences of Chert
0.5km (0.3 miles) ⓘIron Chief Mine (U S Steel Corp), Saint Louis County, Minnesota, USA
0.5km (0.3 miles) ⓘSharon Mine, Saint Louis County, Minnesota, USA
0.7km (0.4 miles) ⓘStubler Mine, Saint Louis County, Minnesota, USA
0.9km (0.6 miles) ⓘCulver Mine (Rhude & Fryberger Inc), Saint Louis County, Minnesota, USA
1.1km (0.7 miles) ⓘWabigon Mine, Saint Louis County, Minnesota, USA
1.2km (0.7 miles) ⓘSection 17 Mine (U S Steel Corp), Saint Louis County, Minnesota, USA
1.2km (0.7 miles) ⓘForster-Burt Mine (U.S.Steel Reserve O-61), Saint Louis County, Minnesota, USA
1.3km (0.8 miles) ⓘThorne Mine (Hanna Mining Company Agt; Hanna Ore Mining Company), Saint Louis County, Minnesota, USA
1.3km (0.8 miles) ⓘJudson Mine (State of Minnesota), Saint Louis County, Minnesota, USA
1.4km (0.9 miles) ⓘFrantz Mine (State of Minnesota), Saint Louis County, Minnesota, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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