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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Calcite from
Hughlett and Gray Mine, Jo Daviess County, Illinois, USA


Locality type:Mine
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Hughlett and Gray Mine, Jo Daviess County, Illinois, USA
Data Identifiers
Mindat Occurrence Record ID:504804
Long-form Identifier:1:3:504804:5
GUID (UUID V4):0
Nearest other occurrences of Calcite
0.5km (0.3 miles) ⓘSouth Unity Mine, Jo Daviess County, Illinois, USA
0.6km (0.4 miles) ⓘNorth Unity Mine, Jo Daviess County, Illinois, USA
0.6km (0.4 miles) ⓘNorthwestern Mine, Jo Daviess County, Illinois, USA
1.0km (0.6 miles) ⓘVinegar Hill Mine, Jo Daviess County, Illinois, USA
1.5km (0.9 miles) ⓘFederal Mine, Hazel Green area, Lafayette County, Wisconsin, USA
1.8km (1.1 miles) ⓘBirkbeck Mine, Jo Daviess County, Illinois, USA
2.0km (1.2 miles) ⓘMcMillan Mine, Hazel Green area, Lafayette County, Wisconsin, USA
2.0km (1.2 miles) ⓘLittle Dad Mine, Hazel Green area, Lafayette County, Wisconsin, USA
2.0km (1.2 miles) ⓘTunnel Hill Mine, Hazel Green area, Lafayette County, Wisconsin, USA
2.3km (1.4 miles) ⓘBig Dad Mine, Hazel Green area, Lafayette County, Wisconsin, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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