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


03098400017363032894480.jpg
Ludlamite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
02818610017272016633871.jpg
Ludlamite, etc.

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
06409850017272016644844.jpg
Ludlamite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
08852490017272016653393.jpg
Ludlamite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
03098400017363032894480.jpg
Ludlamite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
02818610017272016633871.jpg
Ludlamite, etc.

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
08375210017363032907888.jpg
Ludlamite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
02757190017363032911570.jpg
Ludlamite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
08176070017363032912982.jpg
Ludlamite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
02818610017272016633871.jpg
Ludlamite, etc.

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
06409850017272016644844.jpg
Ludlamite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
01677330017363032924277.jpg
Ludlamite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
Locality type:Mine
Classification
Species:Ludlamite
Formula:Fe32+(PO4)2 · 4H2O
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Fairfieldite
Siderite
Vivianite
Whitlockite
Associated Minerals Based on Photo Data:
Vivianite19
Messelite8
Siderite8
Triphylite6
Mitridatite3
Gormanite3
Laueite3
Kryzhanovskite3
Paravauxite3
Wolfeite3
Whitmoreite2
Augelite2
Jahnsite-(CaMnFe)2
Chalcopyrite2
Goyazite1
Strunzite1
Quartz1
Pyrite1
Rockbridgeite1
Data
Mineral Data:Click here to view Ludlamite data
Locality Data:Click here to view Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
Photo GalleryView Gallery (18 photos)
Data Identifiers
Mindat Occurrence Record ID:28023
Long-form Identifier:1:3:28023:5
GUID (UUID V4):0
Nearest other occurrences of Ludlamite
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
15.4km (9.6 miles) ⓘE.E. Smith Mine, Alexandria, Grafton County, New Hampshire, USA
77.9km (48.4 miles) ⓘParker Mountain Mine, Strafford, Strafford County, New Hampshire, USA
84.2km (52.3 miles) ⓘChickering Mine, Walpole, Cheshire County, New Hampshire, USA
93.1km (57.9 miles) ⓘCole Quarry, Stoneham, Oxford County, Maine, USA
References
USGS Prof Paper 353
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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