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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Microlite Group from
Black Cloud Mine, Teller County, Colorado, USA


Locality type:Mine
Classification
Species:'Microlite Group' (not an IMA approved species)
Formula:A2-mTa2X6-wZ1-n
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Microlite Group data
Locality Data:Click here to view Black Cloud Mine, Teller County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:311005
Long-form Identifier:1:3:311005:8
GUID (UUID V4):0
Nearest other occurrences of Microlite Group
29.6km (18.4 miles) ⓘSentinel rock (Specimen rock), Pikes Peak, El Paso County, Colorado, USA
30.8km (19.1 miles) ⓘMount Rosa, El Paso County, Colorado, USA
33.7km (20.9 miles) ⓘSt Peters Dome, Cheyenne Mining District (St. Peters Dome Mining District), El Paso County, Colorado, USA
50.9km (31.7 miles) ⓘWhite Cloud pegmatite, South Platte Pegmatite Mining District, Jefferson County, Colorado, USA
60.0km (37.3 miles) ⓘChief lithium pegmatite, Texas Creek Area, Fremont County, Colorado, USA
79.9km (49.7 miles) ⓘBald Mountain pegmatite (Evans Ranch), Upper Bear Creek, Bald Mountain, Clear Creek County, Colorado, USA
82.5km (51.3 miles) ⓘSwede - Kerr Gulches Pegmatites, Clear Creek Pegmatite Province, Jefferson County, Colorado, USA
83.2km (51.7 miles) ⓘBurroughs Mine (Traut-Rudin-Anderson Pegmatite; Sunrise Peak Mine), Clear Creek pegmatite Province, Jefferson County, Colorado, USA
86.8km (54.0 miles) ⓘOld Soda Creek School Pegmatite, Clear Creek Pegmatite Province, Jefferson County, Colorado, USA
89.2km (55.4 miles) ⓘGrover Mine (Grover pegmatite; Windsor), Clear Creek County, Colorado, USA
References
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.31 - (Table A-1)
 
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