Vote for your favorite mineral in #MinCup26! - Bournonite vs. Vesuvianite
Cogwheels of bournonite are up against colourful vesuvianite.
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Hercynite from
Harrison Mine (New England Mine; Grizzly Mine; January Mine; Ruby Mine), Knoxville area, Knoxville Mining District, Coast Ranges, Yolo County, California, USA


Locality type:Mine
Classification
Species:Hercynite
Formula:Fe2+Al2O4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Hercynite data
Locality Data:Click here to view Harrison Mine (New England Mine; Grizzly Mine; January Mine; Ruby Mine), Knoxville area, Knoxville Mining District, Coast Ranges, Yolo County, California, USA
Data Identifiers
Mindat Occurrence Record ID:994117
Long-form Identifier:1:3:994117:5
GUID (UUID V4):0
Nearest other occurrences of Hercynite
98.9km (61.5 miles) ⓘRocklin, Rocklin Mining District (Loomis Mining District), Placer County, California, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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