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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Tourmaline from
Lake George ring complex, Pikes Peak batholith, Teller County, Colorado, USA


Locality type:Complex
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 Lake George ring complex, Pikes Peak batholith, Teller County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:493162
Long-form Identifier:1:3:493162:1
GUID (UUID V4):0
Nearest other occurrences of Tourmaline
16.7km (10.4 miles) ⓘWilkerson Pass Area, Park County, Colorado, USA
37.1km (23.0 miles) ⓘClimax Mine (Mine No. 8 U.S. Mica Company; Climax Mica Mine), Micanite Mining District (Currant Creek Mining District), Colorado, USA
38.5km (23.9 miles) ⓘCameron Cone, Crystal Park, El Paso County, Colorado, USA
40.2km (25.0 miles) ⓘCrystal Park area, Crystal Park, El Paso County, Colorado, USA
46.0km (28.6 miles) ⓘDorothy O Claim, Cheyenne Mining District (St. Peters Dome Mining District), El Paso County, Colorado, USA
57.7km (35.9 miles) ⓘConsolidated Feldspar Corporation Mine (Feldspar Corporation Mine), Eight Mile Park Pegmatite Mining District, Fremont County, Colorado, USA
59.0km (36.7 miles) ⓘMeyers quarry (Meyers Quarry; Meyers-Halstead Quarry; Suzana Claims; Suzanna Claims; Royal Gorge No. 2), Eight Mile Park Pegmatite Mining District, Fremont County, Colorado, USA
59.5km (37.0 miles) ⓘR. H. Magnuson Mine (Magnusson Crosscut), Eight Mile Park Pegmatite Mining District, Fremont County, Colorado, USA
62.5km (38.8 miles) ⓘChief lithium pegmatite, Texas Creek Area, Fremont County, Colorado, USA
62.7km (39.0 miles) ⓘBigger Mica Mine (Sweitzer Lode), Clear Creek pegmatite Province, Jefferson County, Colorado, USA
References
Eckel, Edwin Butt; Cobban, Robert R.; Mosburg, Shirley K.; Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
 
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