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


02871070017465067945258.jpg
Crandallite, etc.

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
00170630017465067942835.jpg
Crandallite, etc.

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
07242010017465067931787.jpg
Crandallite, etc.

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
02871070017465067945258.jpg
Crandallite, etc.

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
04654960017462185271341.jpg
Crandallite, etc.

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
00329940017462190022587.jpg
Crandallite, etc.

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
02871070017465067945258.jpg
Crandallite, etc.

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
06396440017465067942425.jpg
Crandallite, etc.

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
07242010017465067931787.jpg
Crandallite, etc.

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
Locality type:Mine
Classification
Species:Crandallite
Formula:CaAl3(PO4)(PO3OH)(OH)6
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Vivianite3
Siderite3
Data
Mineral Data:Click here to view Crandallite data
Locality Data:Click here to view Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:248696
Long-form Identifier:1:3:248696:3
GUID (UUID V4):0
Nearest other occurrences of Crandallite
0.3km (0.2 miles) ⓘPalermo No. 2 Mine, Groton, Grafton County, New Hampshire, USA
1.4km (0.9 miles) ⓘCharles Davis Mine, Groton, Grafton County, New Hampshire, USA
15.4km (9.6 miles) ⓘE.E. Smith Mine, Alexandria, Grafton County, New Hampshire, USA
52.6km (32.7 miles) ⓘChandlers Mill Quarry, Newport, Sullivan County, New Hampshire, USA
References
Rocks & Min. (July-Aug. 2002)
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
Kampf, A. R., Falster, A. U., Simmons, W. B., Whitmore, R. W. (2013) Nizamoffite, Mn2+Zn2(PO4)2(H2O)4, the Mn analogue of hopeite from the Palermo No. 1 pegmatite, North Groton, New Hampshire. American Mineralogist, 98 (10) 1893-1898 doi:10.2138/am.2013.4491
 
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