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
George Elliot Quarry (North Rumford Mica Quarry), Rumford, 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 George Elliot Quarry (North Rumford Mica Quarry), Rumford, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:33837
Long-form Identifier:1:3:33837:4
GUID (UUID V4):0
Nearest other occurrences of Siderite
3.3km (2.1 miles) ⓘKinglet Prospect, Newry, Oxford County, Maine, USA
3.3km (2.1 miles) ⓘDunton Gem Quarry, Newry, Oxford County, Maine, USA
3.4km (2.1 miles) ⓘBell pit, Newry, Oxford County, Maine, USA
3.5km (2.2 miles) ⓘCrooker Gem Pegmatite Quarries, Newry, Oxford County, Maine, USA
3.5km (2.2 miles) ⓘNevel Quarry, Newry, Oxford County, Maine, USA
3.6km (2.2 miles) ⓘScotty Quarry, Newry, Oxford County, Maine, USA
3.9km (2.4 miles) ⓘWhitehall #2 Prospect, Newry, Oxford County, Maine, USA
6.6km (4.1 miles) ⓘRed Hill quarries, Rumford, Oxford County, Maine, USA
8.9km (5.5 miles) ⓘBlack Mountain Quarry, Rumford, Oxford County, Maine, USA
19.4km (12.1 miles) ⓘSongo Pond Quarry (Kimball Ledge Quarry), Albany, Oxford County, Maine, USA
References
 
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