Rock 366 : Day 314 : Chrysoberyl
Day 314 : Chrysoberyl (beryllium aluminium oxide) from the Ural Mountains in the Perm province of Russia. Cotton Collection, Keele.
Day 314 : Chrysoberyl (beryllium aluminium oxide) from the Ural Mountains in the Perm province of Russia. Cotton Collection, Keele.
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