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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Siderite from
Bumpus Quarry, Albany, Oxford County, Maine, USA


Locality type:Quarry
Classification
Species:Siderite
Formula:FeCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Siderite data
Locality Data:Click here to view Bumpus Quarry, Albany, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:533808
Long-form Identifier:1:3:533808:5
GUID (UUID V4):0
Nearest other occurrences of Siderite
4.3km (2.7 miles) ⓘSongo Pond Quarry (Kimball Ledge Quarry), Albany, Oxford County, Maine, USA
7.0km (4.3 miles) ⓘEmmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA
11.4km (7.1 miles) ⓘMorgan Quarry (Morgan Pit; Upper Noyes Mountain Quarry; Upper Harvard Quarry), Greenwood, Oxford County, Maine, USA
15.3km (9.5 miles) ⓘCole Quarry, Stoneham, Oxford County, Maine, USA
16.8km (10.5 miles) ⓘLord Hill Quarry (Lord Hill Mine), Stoneham, Oxford County, Maine, USA
23.5km (14.6 miles) ⓘGeorge Elliot Quarry (North Rumford Mica Quarry), Rumford, Oxford County, Maine, USA
25.0km (15.5 miles) ⓘMount Mica Quarry, Paris, Oxford County, Maine, USA
25.1km (15.6 miles) ⓘRyerson Hill Quarries, Paris, Oxford County, Maine, USA
26.0km (16.2 miles) ⓘKinglet Prospect, Newry, Oxford County, Maine, USA
26.1km (16.2 miles) ⓘDunton Gem Quarry, Newry, Oxford County, Maine, USA
References
King, Vandall - Ed. (2009) Maine Feldspar, Families, and Feuds - Oxford County Mining History. New England Historical Publications.
 
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