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Apatite from
Isle Royal Mines, Portage Township, Houghton County, Michigan, USA


Locality type:Mine
Classification
Species:'Apatite' (not an IMA approved species)
Formula:Ca5(PO4)3(Cl/F/OH)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Apatite data
Locality Data:Click here to view Isle Royal Mines, Portage Township, Houghton County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:401162
Long-form Identifier:1:3:401162:0
GUID (UUID V4):0ac6818e-103b-4f39-83b0-24ce1025362e
Nearest other occurrences of Apatite
18.2km (11.3 miles) ⓘJacobsville Sandstone, Torch Lake Township, Houghton County, Michigan, USA
42.8km (26.6 miles) ⓘSlate River, Baraga County, Michigan, USA
45.7km (28.4 miles) ⓘBig Eric's Crossing, Huron River, Baraga County, Michigan, USA
69.6km (43.2 miles) ⓘOhio Mines (Imperial Mine; Webster Mine), Imperial Heights, Baraga County, Michigan, USA
70.1km (43.6 miles) ⓘAbijik Quartzite, Baraga County, Michigan, USA
70.9km (44.0 miles) ⓘWebster Mine, Imperial Heights, Baraga County, Michigan, USA
74.1km (46.1 miles) ⓘSilver Lake, Marquette County, Michigan, USA
79.3km (49.3 miles) ⓘBaraga Group phosphorite, Marquette County, Michigan, USA
79.5km (49.4 miles) ⓘChampion Mine, Champion, Marquette County, Michigan, USA
80.6km (50.1 miles) ⓘLake Michigamme (2), Michigamme, 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.
Reference Search (possible matching items)
(1946, August) Rocks and Minerals Vol. 21 (8) Peter Zodac
Journal (issue)
. . . . 3.50 C•ppar wlu11cl I■ Calcite xis., Michigan. Fair quality. 2 ½ x I ½ . . . . . 2.50 C.rlBiniN... fancy sapphire (which would involve no larger mines are developed and run by ' the reduction in value)...Calcutta is in the middle of a huge six of the mines. These were selected as : an ficial Bood-plain or...electrical industry. I was lucky the dike. The mines are first developed l in• enough to secure a letter...further 80% baits There are hundred-. of producing mines, or so by weight goes to the scrap heap. This final
 
Mineral and/or Locality  
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