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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Uraninite from
Emmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA


Locality type:Quarry
Classification
Species:Uraninite
Formula:UO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Uraninite data
Locality Data:Click here to view Emmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:28585
Long-form Identifier:1:3:28585:0
GUID (UUID V4):0
Nearest other occurrences of Uraninite
0.9km (0.6 miles) ⓘTiger Bill Quarries, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA
5.1km (3.1 miles) ⓘStearns Quarry, Albany, Oxford County, Maine, USA
6.2km (3.9 miles) ⓘTamminen Quarry, Greenwood, Oxford County, Maine, USA
6.8km (4.2 miles) ⓘWentworth Quarry, Albany, Oxford County, Maine, USA
7.0km (4.3 miles) ⓘBumpus Quarry, Albany, Oxford County, Maine, USA
7.6km (4.7 miles) ⓘSongo Pond Quarry (Kimball Ledge Quarry), Albany, Oxford County, Maine, USA
7.7km (4.8 miles) ⓘWardwell Quarry (Pechnic Quarry), Albany, Oxford County, Maine, USA
14.9km (9.2 miles) ⓘFoster Hill prospects, Stoneham, Oxford County, Maine, USA
18.4km (11.4 miles) ⓘRyerson Hill Quarries, Paris, Oxford County, Maine, USA
18.6km (11.6 miles) ⓘMount Mica Quarry, Paris, Oxford County, Maine, USA
References
Falster, Alexander U., Simmons, William B., Webber, Karen L., Dallaire, Donald A., Nizamoff, James W., Sprague, Raymond A. (2019) The Emmons Pegmatite, Greenwood, Oxford County, Maine. Rocks & Minerals, 94 (6) 498-519 doi:10.1080/00357529.2019.1641021
Vignola, Pietro; Demartin, Francesco; Campostrini, Italo; Falster, Alexander U; Simmons, William B; Sprague, Raymond A (2021) Crystal structure of correianevesite from the Emmons pegmatite, Uncle Tom Mountain, Greenwood, Oxford County, Maine. Bulletin de la Société Royale des Sciences de Liège, 90. 125-135
 
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