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
Estes Quarry, West Baldwin, Baldwin, Cumberland County, Maine, USA


05969020017367285412817.jpg
Siderite

Estes Quarry, West Baldwin, Baldwin, Cumberland County, Maine, USA
05927620017272023476066.jpg
Siderite, etc.

Estes Quarry, West Baldwin, Baldwin, Cumberland County, Maine, USA
04295190017272023483027.jpg
Siderite, etc.

Estes Quarry, West Baldwin, Baldwin, Cumberland County, Maine, USA
05969020017367285412817.jpg
Siderite

Estes Quarry, West Baldwin, Baldwin, Cumberland County, Maine, USA
05927620017272023476066.jpg
Siderite, etc.

Estes Quarry, West Baldwin, Baldwin, Cumberland County, Maine, USA
04295190017272023483027.jpg
Siderite, etc.

Estes Quarry, West Baldwin, Baldwin, Cumberland County, Maine, USA
05969020017367285412817.jpg
Siderite

Estes Quarry, West Baldwin, Baldwin, Cumberland County, Maine, USA
05927620017272023476066.jpg
Siderite, etc.

Estes Quarry, West Baldwin, Baldwin, Cumberland County, Maine, USA
04295190017272023483027.jpg
Siderite, etc.

Estes Quarry, West Baldwin, Baldwin, Cumberland County, Maine, USA
Locality type:Quarry
Classification
Species:Siderite
Formula:FeCO3
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Quartz3
- var Rose Quartz3
Strunzite2
Greifensteinite1
Data
Mineral Data:Click here to view Siderite data
Locality Data:Click here to view Estes Quarry, West Baldwin, Baldwin, Cumberland County, Maine, USA
Photo GalleryView Gallery (3 photos)
Data Identifiers
Mindat Occurrence Record ID:32899
Long-form Identifier:1:3:32899:7
GUID (UUID V4):0
Nearest other occurrences of Siderite
29.4km (18.3 miles) ⓘMadison Lead Mine, Madison, Carroll County, New Hampshire, USA
30.6km (19.0 miles) ⓘRedstone "Red Granite" quarry, Redstone, Conway, Carroll County, New Hampshire, USA
31.9km (19.8 miles) ⓘPeaked Mountain fluorite locality, North Conway, Conway, Carroll County, New Hampshire, USA
38.9km (24.2 miles) ⓘBald Mountain, Ossipee, Carroll County, New Hampshire, USA
41.1km (25.5 miles) ⓘMoose pocket, Blue Mountain, Albany, Carroll County, New Hampshire, USA
42.8km (26.6 miles) ⓘLord Hill Quarry (Lord Hill Mine), Stoneham, Oxford County, Maine, USA
45.3km (28.2 miles) ⓘCole Quarry, Stoneham, Oxford County, Maine, USA
45.8km (28.4 miles) ⓘBerry-Havey Quarry, Poland, Androscoggin County, Maine, USA
47.2km (29.3 miles) ⓘMaine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
49.5km (30.7 miles) ⓘMorgan Quarry (Morgan Pit; Upper Noyes Mountain Quarry; Upper Harvard Quarry), Greenwood, Oxford County, Maine, USA
References
Rocks and Minerals (1999) 74:188,189
Thompson, Woodrow B., Bearss, Gene T., Falster, Alexander U., Simmons, William B., Nizamoff, Jams W. (2000) The Estes Quarry, Cumberland County, Maine: A New Pegmatite Mineral Locality. Rocks & Minerals, 75 (6) 408-418 doi:10.1080/00357520009605667
Mineral News (2000) 16:1 pp1,4,5
 
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