Abstract

Mariinskite, a chromium analog of chrysoberyl wasdiscovered in 2011 as a dispersed impregnation inchromitite replaced with mica from the Uralian emerald mines [1].We found mariinskite in chromitite of the Bazhenovskii ophiolite complex located 80 km to the northeast of Yekaterinburg and 10–15 km to the southeastfrom the Uralian emerald mine. The geological settingof the complex has been considered in numerous publications [2, 3]. In this complex chromitites were registered in ultrabasic rocks at the contact with the gabbro–norite body and composed lenslike bodies with alength of

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