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
Lord Hill Quarry (Lord Hill Mine), Stoneham, 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 Lord Hill Quarry (Lord Hill Mine), Stoneham, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:28497
Long-form Identifier:1:3:28497:6
GUID (UUID V4):0
Nearest other occurrences of Siderite
2.7km (1.7 miles) ⓘCole Quarry, Stoneham, Oxford County, Maine, USA
16.8km (10.5 miles) ⓘBumpus Quarry, Albany, Oxford County, Maine, USA
19.6km (12.2 miles) ⓘSongo Pond Quarry (Kimball Ledge Quarry), Albany, Oxford County, Maine, USA
22.8km (14.2 miles) ⓘPeaked Mountain fluorite locality, North Conway, Conway, Carroll County, New Hampshire, USA
23.4km (14.5 miles) ⓘEmmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA
25.3km (15.7 miles) ⓘRedstone "Red Granite" quarry, Redstone, Conway, Carroll County, New Hampshire, USA
25.9km (16.1 miles) ⓘMorgan Quarry (Morgan Pit; Upper Noyes Mountain Quarry; Upper Harvard Quarry), Greenwood, Oxford County, Maine, USA
26.6km (16.6 miles) ⓘMascot Mine, Gorham, Coos County, New Hampshire, USA
34.0km (21.1 miles) ⓘMoose pocket, Blue Mountain, Albany, Carroll County, New Hampshire, USA
38.1km (23.7 miles) ⓘGeorge Elliot Quarry (North Rumford Mica Quarry), Rumford, Oxford County, Maine, USA
References
Thompson, W.B., Joyner, D.L., Woodman, R.G. and King,V.T. (2005) A Collector's Guide to Maine Mineral Localities. Maine Geological Survey Bulletin 41.
 
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