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
Coppermine Brook Mine, Franconia, Grafton County, New Hampshire, USA


Locality type:Mine
Classification
Species:Siderite
Formula:FeCO3
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Siderite data
Locality Data:Click here to view Coppermine Brook Mine, Franconia, Grafton County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:52658
Long-form Identifier:1:3:52658:0
GUID (UUID V4):0
Nearest other occurrences of Siderite
43.6km (27.1 miles) ⓘMoose pocket, Blue Mountain, Albany, Carroll County, New Hampshire, USA
47.3km (29.4 miles) ⓘCharles Davis Mine, Groton, Grafton County, New Hampshire, USA
48.7km (30.3 miles) ⓘPalermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
48.7km (30.3 miles) ⓘPalermo No. 2 Mine, Groton, Grafton County, New Hampshire, USA
51.8km (32.2 miles) ⓘMascot Mine, Gorham, Coos County, New Hampshire, USA
54.4km (33.8 miles) ⓘThetford Lead Mine, Thetford, Orange County, Vermont, USA
54.6km (33.9 miles) ⓘPeaked Mountain fluorite locality, North Conway, Conway, Carroll County, New Hampshire, USA
55.0km (34.2 miles) ⓘRedstone "Red Granite" quarry, Redstone, Conway, Carroll County, New Hampshire, USA
56.1km (34.9 miles) ⓘKeyes Mica Quarries, Orange, Grafton County, New Hampshire, USA
56.9km (35.4 miles) ⓘBald Mountain, Ossipee, Carroll County, New Hampshire, USA
References
 
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