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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Merrillite from
Zagami Martian meteorite, Faskari, Katsina, Nigeria


Locality type:Meteorite Fall Location
Origin locality:Mars
Classification
Species:Merrillite
Formula:Ca9NaMg(PO4)7
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Liebermannite1
Chlorapatite1
Baddeleyite1
Stishovite1
Pyrrhotite1
Augite1
Pigeonite1
Data
Mineral Data:Click here to view Merrillite data
Locality Data:Click here to view Zagami Martian meteorite, Faskari, Katsina, Nigeria
Data Identifiers
Mindat Occurrence Record ID:935175
Long-form Identifier:1:3:935175:2
GUID (UUID V4):0
References
Wang, A., Jolliff, B. L., & Haskin, L. A. (1999). Raman spectroscopic characterization of a Martian SNC meteorite: Zagami. Journal of Geophysical Research: Planets (1991–2012), 104(E4), 8509-8519.
Ma, Chi, Tschauner, Oliver, Beckett, John R., Rossman, George R., Prescher, Clemens, Prakapenka, Vitali B., Bechtel, Hans A., MacDowell, Alastair (2018) Liebermannite, KAlSi3 O8 , a new shock-metamorphic, high-pressure mineral from the Zagami Martian meteorite. Meteoritics & Planetary Science, 53 (1) 50-61 doi:10.1111/maps.13000
Ma, Chi, Tschauner, Oliver, Beckett, John R., Greenberg, Eran, Prakapenka, Vitali B. (2024) Zagamiite, CaAl2Si3.5O11, the Hexagonal High-Pressure CAS Phase with Dominant Si, as a Mineral from Mars. Minerals, 14 (1) doi:10.3390/min14010018
 
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