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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Autunite from
Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA


04907780017272035379526.jpg
Autunite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
07147540017272014416804.jpg
Autunite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
01576970017272014439800.jpg
Autunite, etc.

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
07401500017272014442966.jpg
Autunite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
04907780017272035379526.jpg
Autunite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
06957570017364260346369.jpg
Autunite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
00929100017364260355068.jpg
Autunite, etc.

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
05806220017366199078379.jpg
Autunite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
04907780017272035379526.jpg
Autunite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
07147540017272014416804.jpg
Autunite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
01576970017272014439800.jpg
Autunite, etc.

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
07401500017272014442966.jpg
Autunite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
Locality type:Mine
Classification
Species:Autunite
Formula:Ca(UO2)2(PO4)2 · 10-12H2O
Luminescent properties:bright green (SW)
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Albite2
Quartz2
Fluorapatite1
Feldspar Group1
Data
Mineral Data:Click here to view Autunite data
Locality Data:Click here to view Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
Photo GalleryView Gallery (7 photos)
Data Identifiers
Mindat Occurrence Record ID:147207
Long-form Identifier:1:3:147207:3
GUID (UUID V4):0
Nearest other occurrences of Autunite
1.4km (0.9 miles) ⓘCharles Davis Mine, Groton, Grafton County, New Hampshire, USA
5.1km (3.2 miles) ⓘFletcher Mine, Groton, Grafton County, New Hampshire, USA
7.8km (4.8 miles) ⓘKeyes Mica Quarries, Orange, Grafton County, New Hampshire, USA
15.3km (9.5 miles) ⓘBullock Quarry, E.E. Smith Mine, Alexandria, Grafton County, New Hampshire, USA
15.4km (9.6 miles) ⓘE.E. Smith Mine, Alexandria, Grafton County, New Hampshire, USA
19.6km (12.2 miles) ⓘRuggles Mine, Grafton, Grafton County, New Hampshire, USA
55.5km (34.5 miles) ⓘSargent Mine, Claremont, Sullivan County, New Hampshire, USA
71.3km (44.3 miles) ⓘBeryl Mountain Quarry, South Acworth, Acworth, Sullivan County, New Hampshire, USA
74.5km (46.3 miles) ⓘFitzgibbons Mine, Alstead, Cheshire County, New Hampshire, USA
74.9km (46.5 miles) ⓘAllen Quarry, Alstead, Cheshire County, New Hampshire, USA
References
USGS Prof Paper 353
Verrow, Harold J. (1941) Pegmatite minerals of the Palermo quarry, North Groton, New Hampshire. Rocks & Minerals, 16 (6) 208-211
Cameron, Eugene N., Larrabee, David M., McNair, Andrew H., Page, James J., Stewart, Glen W., Shainin, Vincent E. (1954) Pegmatite Investigations, 1942-45, in New England. Geological Survey Professional Paper 255. US Geological Survey doi:10.3133/pp255
Korzeb, Stanley L., Foord, Eugene E., Lichte, Frederick E. (1997) The chemical evolution and paragenesis of uranium minerals from the Ruggles and Palermo granitic pegmatites, New Hampshire. The Canadian Mineralogist: 35(1): 135-144.
 
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