Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Pyrrhotite from
Kromnów, Gmina Stara Kamienica, Karkonosze County, Lower Silesian Voivodeship, Poland


Locality type:Village
Classification
Species:Pyrrhotite
Formula:Fe1-xS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrrhotite data
Locality Data:Click here to view Kromnów, Gmina Stara Kamienica, Karkonosze County, Lower Silesian Voivodeship, Poland
Data Identifiers
Mindat Occurrence Record ID:1274495
Long-form Identifier:1:3:1274495:8
GUID (UUID V4):0
References
Mochnacka, Ksenia; Oberc-Dziedzic, Teresa; Mayer, Wojciech; Pieczka, Adam (2015) Ore mineralization related to geological evolution of the Karkonosze–Izera Massif (the Sudetes, Poland) — Towards a model. Ore Geology Reviews, 64. doi:10.1016/j.oregeorev.2014.07.001
Syczewski, Marcin Daniel, Siuda, Rafał, Parafiniuk, Jan (2023) REE Concentrations in Secondary Uranium Minerals from the Izera Metamorphic Complex (SW Poland) Minerals, 13 (7) doi:10.3390/min13070945
 
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