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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Rockbridgeite from
Nevel Quarry, Newry, Oxford County, Maine, USA


Locality type:Quarry
Classification
Species:Rockbridgeite
Formula:(Fe2+0.5Fe3+0.5)2Fe33+(PO4)3(OH)5
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Rockbridgeite data
Locality Data:Click here to view Nevel Quarry, Newry, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:29482
Long-form Identifier:1:3:29482:1
GUID (UUID V4):0
Nearest other occurrences of Rockbridgeite
0.1km (0.1 miles) ⓘBell pit, Newry, Oxford County, Maine, USA
0.1km (0.1 miles) ⓘCrooker Gem Pegmatite Quarries, Newry, Oxford County, Maine, USA
0.3km (0.2 miles) ⓘDunton Gem Quarry, Newry, Oxford County, Maine, USA
7.0km (4.3 miles) ⓘRed Hill quarries, Rumford, Oxford County, Maine, USA
7.5km (4.7 miles) ⓘBlack Mountain Quarry, Rumford, Oxford County, Maine, USA
24.7km (15.4 miles) ⓘEmmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA
34.4km (21.3 miles) ⓘRyerson Hill Quarries, Paris, Oxford County, Maine, USA
62.5km (38.8 miles) ⓘBerry-Havey Quarry, Poland, Androscoggin County, Maine, USA
76.6km (47.6 miles) ⓘEstes Quarry, West Baldwin, Baldwin, Cumberland 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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