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Sillimanite from
Gulch A Pegmatites Occurrence, Varney Mining District, Madison County, Montana, USA


Locality type:Occurrence
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 Gulch A Pegmatites Occurrence, Varney Mining District, Madison County, Montana, USA
Data Identifiers
Mindat Occurrence Record ID:498241
Long-form Identifier:1:3:498241:8
GUID (UUID V4):0
Nearest other occurrences of Sillimanite
1.3km (0.8 miles) ⓘRim Rock Deposit, Varney Mining District, Madison County, Montana, USA
22.6km (14.0 miles) ⓘCopper Prospect (MRDS - 10013904), Greenhorn Range, Madison County, Montana, USA
25.3km (15.7 miles) ⓘSkunk Creek outcrops, Madison County, Montana, USA
41.6km (25.9 miles) ⓘHorse Creek Talc Prospect, Sheridan Mining District (Mill Creek Mining District; Wisconsin Mining District), Madison County, Montana, USA
43.0km (26.7 miles) ⓘBeartrap corundum deposit, Madison County, Montana, USA
46.3km (28.7 miles) ⓘStone Creek Deposits, Madison County, Montana, USA
47.6km (29.5 miles) ⓘUnnamed Kyanite Occurrence (MRDS - 10019827), Madison County, Montana, USA
48.7km (30.2 miles) ⓘUnnamed Kyanite Occurrence (MRDS - 10019829), Madison County, Montana, USA
52.9km (32.9 miles) ⓘUnnamed Kyanite Occurrence (MRDS - 10019186), Madison County, Montana, USA
53.0km (32.9 miles) ⓘUnnamed Kyanite Occurrence (MRDS - 10019830), Madison County, Montana, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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