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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Columbite-(Fe)-Columbite-(Mn) Series from
Beryl Mountain Quarry, South Acworth, Acworth, Sullivan County, New Hampshire, USA


Locality type:Quarry
Classification
Species:'Columbite-(Fe)-Columbite-(Mn) Series' (not an IMA approved species)
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Columbite-(Fe)-Columbite-(Mn) Series data
Locality Data:Click here to view Beryl Mountain Quarry, South Acworth, Acworth, Sullivan County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:32203
Long-form Identifier:1:3:32203:6
GUID (UUID V4):0
Nearest other occurrences of Columbite-(Fe)-Columbite-(Mn) Series
6.3km (3.9 miles) ⓘGeorge Porter Quarry, Alstead, Cheshire County, New Hampshire, USA
12.9km (8.0 miles) ⓘChickering Mine, Walpole, Cheshire County, New Hampshire, USA
17.2km (10.7 miles) ⓘSargent Mine, Claremont, Sullivan County, New Hampshire, USA
61.1km (38.0 miles) ⓘBullock Quarry, E.E. Smith Mine, Alexandria, Grafton County, New Hampshire, USA
70.5km (43.8 miles) ⓘRice Quarry, Groton, Grafton County, New Hampshire, USA
77.8km (48.3 miles) ⓘRollstone Hill Quarries, Fitchburg, Worcester County, Massachusetts, USA
85.9km (53.3 miles) ⓘLong Hill, Leominster, Worcester County, Massachusetts, USA
90.7km (56.4 miles) ⓘBarrus farm pegmatite localities, Goshen, Hampshire County, Massachusetts, USA
92.9km (57.7 miles) ⓘParker Mountain Mine, Strafford, Strafford County, New Hampshire, USA
References
Jeremy Zolan Collection
Smith, Arthur E. (2005) New Hampshire mineral locality index. Rocks & Minerals, 80 (4) 242-261 doi:10.3200/rmin.80.4.242-261
 
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