Cheremshanskoe deposit, Izumrudnye Kopi area, Malyshevo, Sverdlovsk Oblast, Russia
Large triplet of Chrysoberyl in association with Clinochlore (var. Sheridanite). Specimen size is 4.5x3x1.5 cm. Pavel M. Kartashov collection and photo.
© Pavel M. Kartashov collection & photo
Chrysoberyl twins on matrix. Specimen is from the collection of the British Museum of Natural History #1912,366 (1975). Scale at bottom of image is an inch with a rule at one cm.
© Rock Currier
Chrysoberyl (var. Alexandrite), Izumrudnye Kopi; Malyshevskoe deposit, Malyshevo, Ekaterinburg, Urals Region, Russia Size 47 x 43 x 28 mm
© Oleg Lopatkin
Section along cleavage of the large triplet of yellow chrysoberyl. Note rounded grain of grey phenakite in the center. Apparently it was starter for this chrysoberyl twin growth. Associated mineral is minor grey clinochlore laths. Specimen size is 4.5x3x1.5 cm and its weight 35.86 g. Pavel M. Kartashov collection and photo.
30x25x15 mm 3D sixling of Chrysoberyl with minor Clinochlore (var. Sheridanite) matrix. Collected in the middle of 90th. Pavel M. Kartashov collection and photo.