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Amethyst from
Horseshoe Harbor, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA


Locality type:Conservation Area
Classification
Species:Quartz var: Amethyst
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Amethyst data
Locality Data:Click here to view Horseshoe Harbor, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:417180
Long-form Identifier:1:3:417180:5
GUID (UUID V4):0
Nearest other occurrences of Amethyst
10.3km (6.4 miles) ⓘKeweenaw Point, Grant Township, Keweenaw County, Michigan, USA
19.2km (11.9 miles) ⓘEsrey Park, Eagle Harbor Township, Keweenaw County, Michigan, USA
19.3km (12.0 miles) ⓘAgate Harbor, Eagle Harbor Township, Keweenaw County, Michigan, USA
26.3km (16.3 miles) ⓘEagle Harbor Marina, Eagle Harbor Township, Keweenaw County, Michigan, USA
47.9km (29.8 miles) ⓘSeven Mile Point, Allouez Township, Keweenaw County, Michigan, USA
80.8km (50.2 miles) ⓘEagle Mine, Michigamme Township, Marquette County, Michigan, USA
References
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
 
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