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Sillimanite from
Eureka Lode Prospect (Hultz), Custer County, South Dakota, USA


Locality type:Prospect
Classification
Species:Sillimanite
Formula:Al2(SiO4)O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Sillimanite data
Locality Data:Click here to view Eureka Lode Prospect (Hultz), Custer County, South Dakota, USA
Data Identifiers
Mindat Occurrence Record ID:765795
Long-form Identifier:1:3:765795:5
GUID (UUID V4):0
Nearest other occurrences of Sillimanite
2.9km (1.8 miles) ⓘOreville, Custer County, South Dakota, USA
3.3km (2.0 miles) ⓘU.S. highways 16/385 & State route 87 intersection area, Oreville Mining District, Pennington County, South Dakota, USA
6.7km (4.2 miles) ⓘSummit Peak, Pennington County, South Dakota, USA
8.4km (5.2 miles) ⓘHofert Arcade (Victory No. 1 Prospect), Custer Mining District, Custer County, South Dakota, USA
8.5km (5.3 miles) ⓘVictory Mine, Custer, Custer Mining District, Custer County, South Dakota, USA
11.6km (7.2 miles) ⓘCuster Mountain lode (Snookum mine), Custer, Custer Mining District, Custer County, South Dakota, USA
12.9km (8.0 miles) ⓘMica King Mine (Lost Bonanza; Cook Mine), Custer Mining District, Custer County, South Dakota, USA
13.1km (8.2 miles) ⓘHugo Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
13.6km (8.4 miles) ⓘElkhorn Mine (Tinsley Mine), Custer, Custer Mining District, Custer County, South Dakota, USA
13.8km (8.6 miles) ⓘHot Shot mine, Custer, Custer Mining District, Custer County, South Dakota, USA
References
 
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