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


01704710017422304602765.jpg
Foggite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
03006620017271923183787.jpg
Foggite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
05632650017271923216885.jpg
Foggite, etc.

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
00378990017272015629031.jpg
Foggite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
05885900017419894353255.jpg
Foggite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
00643970017368162424632.jpg
Foggite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
00937710017368162432583.jpg
Foggite, etc.

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
03853350017368162442047.jpg
Foggite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
07557490017422304604360.jpg
Foggite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
03006620017271923183787.jpg
Foggite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
05632650017271923216885.jpg
Foggite, etc.

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
00378990017272015629031.jpg
Foggite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
Locality type:Mine
Classification
Species:Foggite
Formula:CaAl(PO4)(OH)2 · H2O
Confirmation
Validity:Valid - Type Locality
Associated Minerals Based on Photo Data:
Quartz2
Augelite1
Albite1
Data
Mineral Data:Click here to view Foggite data
Locality Data:Click here to view Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
Photo GalleryView Gallery (27 photos)
Data Identifiers
Mindat Occurrence Record ID:28050
Long-form Identifier:1:3:28050:9
GUID (UUID V4):0
References
Moore, Paul B., Irving, Anthony J., Kampf, Anthony R. (1975) Foggite, CaAl(OH)2(H2O)[PO4]; goedkenite, (Sr,Ca)2Al(OH)[PO4]2; and samuelsonite, (Ca,Ba)Fe2+2Mn2+2Ca8Al2(OH)2[PO4]10: Three new species from the Palermo No. I pegmatite, North Groton, New Hampshire. American Mineralogist, 60 (11-12) 957-964
 
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