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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Vivianite from
Keyes Mica Quarries, Orange, Grafton County, New Hampshire, USA


Locality type:Quarry
Classification
Species:Vivianite
Formula:Fe2+Fe22+(PO4)2 · 8H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Vivianite data
Locality Data:Click here to view Keyes Mica Quarries, Orange, Grafton County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:32279
Long-form Identifier:1:3:32279:9
GUID (UUID V4):0
Nearest other occurrences of Vivianite
0.0km (0.0 miles) ⓘNo. 1 pit, Keyes Mica Quarries, Orange, Grafton County, New Hampshire, USA
6.9km (4.3 miles) ⓘRice Quarry, Groton, Grafton County, New Hampshire, USA
7.7km (4.8 miles) ⓘPalermo No. 2 Mine, Groton, Grafton County, New Hampshire, USA
7.8km (4.8 miles) ⓘPalermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
11.6km (7.2 miles) ⓘPattuck Quarry, Alexandria, Grafton County, New Hampshire, USA
11.7km (7.3 miles) ⓘBullock Quarry, E.E. Smith Mine, Alexandria, Grafton County, New Hampshire, USA
11.8km (7.4 miles) ⓘE.E. Smith Mine, Alexandria, Grafton County, New Hampshire, USA
11.9km (7.4 miles) ⓘFletcher Mine, Groton, Grafton County, New Hampshire, USA
12.0km (7.4 miles) ⓘRuggles Mine, Grafton, Grafton County, New Hampshire, USA
18.3km (11.4 miles) ⓘEight-Ball Mica prospect, Rumney, Grafton County, New Hampshire, USA
References
Smith, Arthur E. (2005) New Hampshire mineral locality index. Rocks & Minerals, 80 (4) 242-261 doi:10.3200/rmin.80.4.242-261
Thompson, Woodrow B., Falster, Alexander U., Mortimer, Thomas J. (2022) The Keyes Mica Mines, Orange, Grafton County, New Hampshire. Rocks & Minerals, 97 (4) 302-329 doi:10.1080/00357529.2022.2053622
 
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