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


08000610017368725922737.jpg
Phosphosiderite, etc.

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
01417750017272017532042.jpg
Phosphosiderite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
02889100017272017541953.jpg
Phosphosiderite, etc.

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
08000610017368725922737.jpg
Phosphosiderite, etc.

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
01417750017272017532042.jpg
Phosphosiderite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
02889100017272017541953.jpg
Phosphosiderite, etc.

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
08000610017368725922737.jpg
Phosphosiderite, etc.

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
01417750017272017532042.jpg
Phosphosiderite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
02889100017272017541953.jpg
Phosphosiderite, etc.

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
Locality type:Mine
Classification
Species:Phosphosiderite
Formula:FePO4 · 2H2O
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Hureaulite
Associated Minerals Based on Photo Data:
Jahnsite Subgroup1
Jahnsite-(CaMnFe)1
Data
Mineral Data:Click here to view Phosphosiderite data
Locality Data:Click here to view Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
Photo GalleryView Gallery (3 photos)
Data Identifiers
Mindat Occurrence Record ID:28032
Long-form Identifier:1:3:28032:3
GUID (UUID V4):0
Nearest other occurrences of Phosphosiderite
0.3km (0.2 miles) ⓘPalermo No. 2 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
74.5km (46.3 miles) ⓘFitzgibbons Mine, Alstead, Cheshire County, New Hampshire, USA
89.3km (55.5 miles) ⓘEstes Quarry, West Baldwin, Baldwin, Cumberland County, Maine, USA
91.5km (56.9 miles) ⓘLord Hill Quarry (Lord Hill Mine), Stoneham, Oxford County, Maine, USA
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.
Moore, Paul B. (1965) Hühnerkobelite crystals from the Palermo No. 1 Pegmatite, North Groton, New Hampshire. American Mineralogist, 50 (5-6) 713-717
Moore, Paul B. (1973) Pegmatite Phosphates: Descriptive Mineralogy and Crystal Chemistry. The Mineralogical Record, 4 (3) 103-130
NIZAMOFF, James W., SIMMONS, William B., and FALSTER, Alexander U. (2004) PHOSPHATE MINERALOGY AND PARAGENESIS OF THE PALERMO #2 PEGMATITE, NORTH GROTON, NEW HAMPSHIRE Geological Society of America Abstracts with Programs, Vol. 36, No. 5, p. 115
 
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