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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Parsonsite from
Ruggles Mine, Grafton, Grafton County, New Hampshire, USA


Locality type:Mine
Classification
Species:Parsonsite
Formula:Pb2(UO2)(PO4)2
Comments:Discovered about 1949 by the late Philip Foster, noted mineral collector of Dover, New Hampshire. Confirmed by Clifford Frondel by XRD.
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Autunite
Phosphuranylite
Data
Mineral Data:Click here to view Parsonsite data
Locality Data:Click here to view Ruggles Mine, Grafton, Grafton County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:29571
Long-form Identifier:1:3:29571:4
GUID (UUID V4):0
References
Palache, Charles; Berman, Harry; Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons.
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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