Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Spodumene from
Bob Ingersoll Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA


07142350017370106809247.jpg
Spodumene

Bob Ingersoll Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
07142350017370106809247.jpg
Spodumene

Bob Ingersoll Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
05147490017370106812349.jpg
Spodumene

Bob Ingersoll Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
Locality type:Mine
Classification
Species:Spodumene
Formula:LiAlSi2O6
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Spodumene data
Locality Data:Click here to view Bob Ingersoll Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
Data Identifiers
Mindat Occurrence Record ID:49728
Long-form Identifier:1:3:49728:8
GUID (UUID V4):0
Nearest other occurrences of Spodumene
3.5km (2.2 miles) ⓘPeerless Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
4.4km (2.7 miles) ⓘEtta Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
4.5km (2.8 miles) ⓘNickel Plate Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
4.5km (2.8 miles) ⓘExpectation Pegmatite, Keystone Mining District, Pennington County, South Dakota, USA
4.9km (3.0 miles) ⓘEdison Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
5.0km (3.1 miles) ⓘHugo Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
5.6km (3.5 miles) ⓘIda Occurrence (Ida Tin), Hill City Mining District, Pennington County, South Dakota, USA
7.1km (4.4 miles) ⓘDewey Mine, Hill City Mining District, Pennington County, South Dakota, USA
7.2km (4.5 miles) ⓘDike Lode, Keystone Mining District, Pennington County, South Dakota, USA
7.4km (4.6 miles) ⓘKing Lithia Mine, Greyhound Gulch, Keystone, Keystone Mining District, Pennington County, South Dakota, USA
References
Rocks & Min.:10:147 & 60:112,116.
Meeves, H.; Harrer, C.M.; Salsbury, M.H.; Konselman, A.S; Shannon, S.S. Jnr. (1966) Reconnaissance of beryllium-bearing pegmatite deposits in six western states: Arizona, Colorado, New Mexico, South Dakota, Utah, and Wyoming. Bureau of Mines Information Circular 8298. United States Department of the Interior 34 pp.p.33 - (Table A-1)
 
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