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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Riebeckite from
Abbott Mountain Syenite, Newfield Wildlife Management Area locality, Shapleigh, York County, Maine, USA


Locality type:Occurrence
Classification
Species:Riebeckite
Formula:◻Na2(Fe32+Fe23+)Si8O22(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Riebeckite data
Locality Data:Click here to view Abbott Mountain Syenite, Newfield Wildlife Management Area locality, Shapleigh, York County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:556187
Long-form Identifier:1:3:556187:2
GUID (UUID V4):0
Nearest other occurrences of Riebeckite
25.1km (15.6 miles) ⓘGreen Mountain Locality, Effingham, Carroll County, New Hampshire, USA
43.0km (26.7 miles) ⓘMount Agamenticus, York, York County, Maine, USA
51.3km (31.9 miles) ⓘLovejoy Gravel pits, Conway, Carroll County, New Hampshire, USA
52.4km (32.6 miles) ⓘGovernment pit, Albany, Carroll County, New Hampshire, USA
55.8km (34.7 miles) ⓘMiddle Moat Mountain locality, Hale's Location, Carroll County, New Hampshire, USA
56.3km (35.0 miles) ⓘHurricane Mountain localities, North Conway, Conway, Carroll County, New Hampshire, USA
58.3km (36.2 miles) ⓘNorth Moat Mountain localities, Bartlett, Carroll County, New Hampshire, USA
74.1km (46.0 miles) ⓘMount Anderson Slide locality, Lincoln, Grafton County, New Hampshire, USA
74.3km (46.1 miles) ⓘMount Nancy Slide locality, Lincoln, Grafton County, New Hampshire, USA
83.4km (51.8 miles) ⓘMount Bond locality, Lincoln, Grafton County, New Hampshire, USA
References
Gilman, R., 1978, Bedrock Gepology of the Newfield 15' Quadrangle, Maine, ME Geol Surv OF-78-10.
 
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