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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Beraunite from
Fletcher Mine, Groton, Grafton County, New Hampshire, USA


02782350017819173315916.jpg
Beraunite, etc.

Fletcher Mine, Groton, Grafton County, New Hampshire, USA
02782350017819173315916.jpg
Beraunite, etc.

Fletcher Mine, Groton, Grafton County, New Hampshire, USA
06030420017817093089387.jpg
Beraunite, etc.

Fletcher Mine, Groton, Grafton County, New Hampshire, USA
Locality type:Mine
Classification
Species:Beraunite
Formula:Fe63+(PO4)4O(OH)4 · 6H2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Phosphosiderite1
Data
Mineral Data:Click here to view Beraunite data
Locality Data:Click here to view Fletcher Mine, Groton, Grafton County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:317012
Long-form Identifier:1:3:317012:0
GUID (UUID V4):0
Nearest other occurrences of Beraunite
4.5km (2.8 miles) ⓘCharles Davis Mine, Groton, Grafton County, New Hampshire, USA
5.1km (3.2 miles) ⓘPalermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
5.3km (3.3 miles) ⓘPalermo No. 2 Mine, Groton, Grafton County, New Hampshire, USA
11.9km (7.4 miles) ⓘKeyes Mica Quarries, Orange, Grafton County, New Hampshire, USA
77.6km (48.2 miles) ⓘFitzgibbons Mine, Alstead, Cheshire County, New Hampshire, USA
84.2km (52.3 miles) ⓘEstes Quarry, West Baldwin, Baldwin, Cumberland County, Maine, USA
86.9km (54.0 miles) ⓘLord Hill Quarry (Lord Hill Mine), Stoneham, Oxford County, Maine, USA
87.4km (54.3 miles) ⓘChickering Mine, Walpole, Cheshire County, New Hampshire, USA
88.6km (55.1 miles) ⓘCole Quarry, Stoneham, Oxford County, Maine, USA
References
Rocks & Minerals: 80: 252.
Kreinik, Susanna T. (2022) Phosphate Mineralogy and Paragenesis of the Fletcher Pegmatite, North Groton, New Hampshire. M.S. Thesis, 3039. University of New Orleans. 1-105
 
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