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Tourmaline from
Gold Island Prospect, Saint Louis County, Minnesota, USA


Locality type:Prospect
Classification
Species:'Tourmaline' (not an IMA approved species)
Formula:AD3G6(T6O18)(BO3)3X3Z
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Tourmaline data
Locality Data:Click here to view Gold Island Prospect, Saint Louis County, Minnesota, USA
Data Identifiers
Mindat Occurrence Record ID:502958
Long-form Identifier:1:3:502958:7
GUID (UUID V4):0
Nearest other occurrences of Tourmaline
44.3km (27.5 miles) ā“˜Zenith Mine (Whiteside office et al), Vermilion Range, Saint Louis County, Minnesota, USA
91.8km (57.0 miles) ā“˜Cranberry Islet Prospect, Rainy Lake, Saint Louis County, Minnesota, USA
91.8km (57.1 miles) ā“˜Steamboat Islet Prospect, Rainy Lake, Saint Louis County, Minnesota, USA
94.2km (58.5 miles) ā“˜Bushyhead Island Prospect, Rainy Lake, Koochiching County, Minnesota, USA
95.4km (59.3 miles) ā“˜Lyle Mine, Rainy Lake, Koochiching County, Minnesota, USA
95.8km (59.6 miles) ā“˜Little American Mine, Rainy Lake, Koochiching County, Minnesota, USA
99.2km (61.7 miles) ā“˜Grassy Island Prospect, Rainy Lake, Koochiching County, Minnesota, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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