Alexandrite (Chrysoberyl) with fluorite mineral specimen. UVLW. TL, Ural Russia

Description

Alexandrite (color changing Chrysoberyl) with fluorite mineral specimen.
TYPE LOCALITY
Green chromian variety of chrysoberyl (intermediate member of Chrysoberyl-Mariinskite series) that exhibits a color change in natural and artificial light from green to amethystine (Alexandrite effect).
Locality
:
Emerald mines (Izumrudnye Kopi; Malyshevskoye deposit), Malyshevo, Ekaterinburg (Yekaterinburg; Sverdlovsk), Sverdlovskaya Oblast', Urals Region, Russia.
Size:
27 x 27 x 14mm / 1.06 x 1.06 x 0.55 inch
Weight
: 71 ct
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