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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Gadolinite-(Y) from
North Sugarloaf Mountain locality, Bethlehem, Grafton County, New Hampshire, USA


03905380017367218415772.jpg
Gadolinite-(Y), etc.

North Sugarloaf Mountain locality, Bethlehem, Grafton County, New Hampshire, USA
03905380017367218415772.jpg
Gadolinite-(Y), etc.

North Sugarloaf Mountain locality, Bethlehem, Grafton County, New Hampshire, USA
03043790017272035835065.jpg
Gadolinite-(Y), etc.

North Sugarloaf Mountain locality, Bethlehem, Grafton County, New Hampshire, USA
Classification
Species:Gadolinite-(Y)
Formula:Y2Fe2+Be2Si2O10
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Gadolinite-(Ce)1
Data
Mineral Data:Click here to view Gadolinite-(Y) data
Locality Data:Click here to view North Sugarloaf Mountain locality, Bethlehem, Grafton County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:39170
Long-form Identifier:1:3:39170:8
GUID (UUID V4):0
References
Smith, Arthur E. (2005) New Hampshire mineral locality index. Rocks & Minerals, 80 (4) 242-261 doi:10.3200/rmin.80.4.242-261
Dallaire, Donald (2022) Beryllium Minerals in New Hampshire. Rocks & Minerals, 97 (3) 208-235 doi:10.1080/00357529.2022.2028096
 
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