Mineral: Chrysoberyl (variety alexandrite)
Locality: Krupskoye deposit, Izumrudnye Kopi area, Malyshevo, Sverdlovsk Oblast, Ural, Russia
Dimensions: 10.5 x 5 x 10 cm / main crystal: 7 cm.
Description: Cheremshanskoye mestorozhdeniye, Rijeka Takowaya, Ekaterinburg, Uralsky federalny okrug, Russia
Mass: 471 g
MIM number: 2222
Large, a very well formed cyclic twin shaped as a rising sun, hence its nickname, with 4 large well separated branches and two smaller branches partly buried in a matrix of black mica schist. The crystal shows translucent areas, green under LED light and red under halogen light.
Photographer: AINU / Augustin de Valence;
Publication: "Rocks & Minerals: Vol. 98, No.6 Nov/Dec 2023"
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