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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Danalite from
Iron Mountain Mines, Iron Mountain, Bartlett, Carroll County, New Hampshire, USA


Locality type:Mine
Classification
Species:Danalite
Formula:Be3Fe42+(SiO4)3S
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Danalite data
Locality Data:Click here to view Iron Mountain Mines, Iron Mountain, Bartlett, Carroll County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:31987
Long-form Identifier:1:3:31987:4
GUID (UUID V4):0
Nearest other occurrences of Danalite
1.1km (0.7 miles) ⓘIron Mountain, Bartlett, Carroll County, New Hampshire, USA
11.4km (7.1 miles) ⓘMiddle Moat Mountain locality, Hale's Location, Carroll County, New Hampshire, USA
13.1km (8.1 miles) ⓘMoose pocket, Blue Mountain, Albany, Carroll County, New Hampshire, USA
14.7km (9.1 miles) ⓘGovernment pit, Albany, Carroll County, New Hampshire, USA
30.8km (19.2 miles) ⓘMadison Lead Mine, Madison, Carroll County, New Hampshire, USA
References
Wadsworth, M.E. (1879) Danalite From the Iron Mine, Bartlett, New Hampshire. Proceedings of the Boston Society of Natural History: 20: 284-286.
Barton, W., Goldsmith, C.E. (1968) New England Beryllium investigations. US Bureau Mines RI 7070.
Dunn, Pete J. (1976) Genthelvite and the helvine group. Mineralogical Magazine, 40 (314) 627-636 doi:10.1180/minmag.1976.040.314.10
Yuzhou Li (1990): Be-bearing perthitic rock: its alteration attribution and significance in ore exploration. Geology and Prospecting 26(6), 29-35 (in Chinese with English abstract).
Havelcová, Martina, Sýkorová, Ivana, René, Miloš, Mizera, Jiří, Coubal, Miroslav, Machovič, Vladimír, Strunga, Vladimír, Goliáš, Viktor (2022) Geology and Petrography of Uraniferous Bitumens in Permo-Carboniferous Sediments (Vrchlabí, Czech Republic) Minerals, 12 (5) 544 doi:10.3390/min12050544
 
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