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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Tuff from
Takhtarvumchorr Mt, Murmansk Oblast, Russia


Locality type:Mountain
Classification
Type:Tuff
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Tuff data
Locality Data:Click here to view Takhtarvumchorr Mt, Murmansk Oblast, Russia
Data Identifiers
Mindat Occurrence Record ID:1291975
Long-form Identifier:1:3:1291975:6
GUID (UUID V4):0
References
Yakovenchuk, Victor, Pakhomovsky, Yakov, Panikorovskii, Taras, Zolotarev, Andrey, Mikhailova, Julia, Bocharov, Vladimir, Krivovichev, Sergey, Ivanyuk, Gregory (2019) Chirvinskyite, (Na,Ca)13(Fe,Mn,□)2(Ti,Nb)2(Zr,Ti)3(Si2O7)4(OH,O,F)12, a New Mineral with a Modular Wallpaper Structure, from the Khibiny Alkaline Massif (Kola Peninsula, Russia) Minerals, 9 (4) 219 doi:10.3390/min9040219
 
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