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
Palermo No. 2 Mine, Groton, Grafton County, New Hampshire, USA


Locality type:Mine
Classification
Species:Siderite
Formula:FeCO3
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Jahnsite Group1
Data
Mineral Data:Click here to view Siderite data
Locality Data:Click here to view Palermo No. 2 Mine, Groton, Grafton County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:156019
Long-form Identifier:1:3:156019:0
GUID (UUID V4):0
Nearest other occurrences of Siderite
0.3km (0.2 miles) ⓘPalermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
1.4km (0.9 miles) ⓘCharles Davis Mine, Groton, Grafton County, New Hampshire, USA
7.7km (4.8 miles) ⓘKeyes Mica Quarries, Orange, Grafton County, New Hampshire, USA
15.6km (9.7 miles) ⓘE.E. Smith Mine, Alexandria, Grafton County, New Hampshire, USA
27.4km (17.0 miles) ⓘThetford Lead Mine, Thetford, Orange County, Vermont, USA
48.7km (30.3 miles) ⓘCoppermine Brook Mine, Franconia, Grafton County, New Hampshire, USA
50.6km (31.4 miles) ⓘBald Mountain, Ossipee, Carroll County, New Hampshire, USA
52.4km (32.6 miles) ⓘGeorge Frank Smith Quarry, Newport, Sullivan County, New Hampshire, USA
52.5km (32.6 miles) ⓘChandlers Mill Quarry, Newport, Sullivan County, New Hampshire, USA
58.5km (36.3 miles) ⓘMoose pocket, Blue Mountain, Albany, Carroll County, New Hampshire, USA
References
Journal of Pegmatology vol. 1, no. 1
 
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