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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Rhodochrosite from
Dunton Gem Quarry, Newry, Oxford County, Maine, USA


Locality type:Quarry
Classification
Species:Rhodochrosite
Formula:MnCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Rhodochrosite data
Locality Data:Click here to view Dunton Gem Quarry, Newry, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:28309
Long-form Identifier:1:3:28309:2
GUID (UUID V4):0
Nearest other occurrences of Rhodochrosite
0.2km (0.1 miles) ⓘCrooker Gem Pegmatite Quarries, Newry, Oxford County, Maine, USA
0.2km (0.1 miles) ⓘBell pit, Newry, Oxford County, Maine, USA
7.7km (4.8 miles) ⓘBlack Mountain Quarry, Rumford, Oxford County, Maine, USA
24.5km (15.2 miles) ⓘEmmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA
34.2km (21.2 miles) ⓘRyerson Hill Quarries, Paris, Oxford County, Maine, USA
36.3km (22.6 miles) ⓘMount Mica Quarry, Paris, Oxford County, Maine, USA
36.4km (22.6 miles) ⓘBennett Quarry, Buckfield, Oxford County, Maine, USA
39.9km (24.8 miles) ⓘLord Hill Quarry (Lord Hill Mine), Stoneham, Oxford County, Maine, USA
42.9km (26.6 miles) ⓘMount Marie Quarries, Paris, Oxford County, Maine, USA
45.3km (28.2 miles) ⓘMount Rubellite Quarries, Mount Rubellite, Hebron, Oxford County, Maine, USA
References
King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey.
King, Vandall T. (2000) Mineralogy of Maine Vol. 2 - Mining History, Gems, and Geology. Maine Geological Survey.
 
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