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Sillimanite from
Silver Hill Mine, Silver Hill, Silver Hill Mining District, Spokane County, Washington, USA


Locality type:Mine
Classification
Species:Sillimanite
Formula:Al2(SiO4)O
Colour:greyish blue
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Andalusite
Feldspar Group
Microcline
Quartz
Data
Mineral Data:Click here to view Sillimanite data
Locality Data:Click here to view Silver Hill Mine, Silver Hill, Silver Hill Mining District, Spokane County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:110801
Long-form Identifier:1:3:110801:9
GUID (UUID V4):0
Nearest other occurrences of Sillimanite
97.0km (60.3 miles) ⓘIdaho Garnet Abrasive placer, Shoshone County, Idaho, USA
References
USGS Bull 931H
Valentine, Grant M., Huntting, Marshall T. (1960) Part II - Metallic Minerals, in Inventory of Washington Minerals. Vol II. Bulletin 37, Washington Geological Survey.
Cannon, Bart (1975) Minerals of Washington. Cordilleran. 184 pp.pages 43,66
 
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