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
Madison Lead Mine, Madison, Carroll County, New Hampshire, USA


Locality type:Mine
Classification
Species:Siderite
Formula:FeCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Siderite data
Locality Data:Click here to view Madison Lead Mine, Madison, Carroll County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:32103
Long-form Identifier:1:3:32103:7
GUID (UUID V4):0
Nearest other occurrences of Siderite
10.8km (6.7 miles) ⓘBald Mountain, Ossipee, Carroll County, New Hampshire, USA
19.0km (11.8 miles) ⓘMoose pocket, Blue Mountain, Albany, Carroll County, New Hampshire, USA
19.1km (11.9 miles) ⓘRedstone "Red Granite" quarry, Redstone, Conway, Carroll County, New Hampshire, USA
21.7km (13.5 miles) ⓘPeaked Mountain fluorite locality, North Conway, Conway, Carroll County, New Hampshire, USA
29.4km (18.3 miles) ⓘEstes Quarry, West Baldwin, Baldwin, Cumberland County, Maine, USA
44.1km (27.4 miles) ⓘLord Hill Quarry (Lord Hill Mine), Stoneham, Oxford County, Maine, USA
46.7km (29.0 miles) ⓘCole Quarry, Stoneham, Oxford County, Maine, USA
59.0km (36.7 miles) ⓘBumpus Quarry, Albany, Oxford County, Maine, USA
59.4km (36.9 miles) ⓘCharles Davis Mine, Groton, Grafton County, New Hampshire, USA
59.6km (37.0 miles) ⓘCoppermine Brook Mine, Franconia, 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
 
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