Mineral: Ferberite
Locality: Kara-Oba, Betpak-Dala (Bet-Pak-Dala) Desert, Karaganda Region, Kazakhstan
Dimensions: 7.5 x 6.3 cm

Description: A group of black striated ferberite crystals to 4.7 cm with small cubic pyrite crystals and minor muscovite and quartz.

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