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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Landesite from
Emmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA


02046070017369008443955.jpg
Landesite, etc.

Emmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA
02046070017369008443955.jpg
Landesite, etc.

Emmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA
05825570017272019197966.jpg
Landesite, etc.

Emmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA
Locality type:Quarry
Classification
Species:Landesite
Formula:Mn2+3-xFex3+(PO4)2(OH)x · (3-x)H2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Mitridatite1
Fairfieldite1
Hureaulite1
Metaswitzerite1
Vivianite1
Data
Mineral Data:Click here to view Landesite data
Locality Data:Click here to view Emmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:28550
Long-form Identifier:1:3:28550:4
GUID (UUID V4):0
Nearest other occurrences of Landesite
18.4km (11.4 miles) ⓘRyerson Hill Quarries, Paris, Oxford County, Maine, USA
21.6km (13.4 miles) ⓘBennett Quarry, Buckfield, Oxford County, Maine, USA
23.4km (14.5 miles) ⓘLord Hill Quarry (Lord Hill Mine), Stoneham, Oxford County, Maine, USA
41.5km (25.8 miles) ⓘMaine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
42.2km (26.2 miles) ⓘBerry-Havey Quarry, Poland, Androscoggin County, Maine, USA
References
King, Vandall T., Robinson, George W. (1991) What's New in Minerals? - Annual World Summary of Mineral Discoveries. The Mineralogical Record, 22 (5) 381-393
Falster, Alexander U., Simmons, William B., Webber, Karen L., Dallaire, Donald A., Nizamoff, James W., Sprague, Raymond A. (2019) The Emmons Pegmatite, Greenwood, Oxford County, Maine. Rocks & Minerals, 94 (6) 498-519 doi:10.1080/00357529.2019.1641021
 
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