540ct Alexandrite (Color changing Chrysoberyl) mineral specimen UVLW. TL, Russia

Description

Alexandrite
(color changing Chrysoberyl)
with fluorite in mica shist.
Mineral specimen.
TYPE LOCALITY
First photo is made under led lamp,
Second photo - incandenscent light
Third proto - UV LW
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.
Weight: 108 g / 540,5 ct
Dimensions: 59 x 43 x 35 mm / 2,3 x 1,7 x 1,4 inch
About the store:
My name is Naya and I collect rarest russian minerals for everyone who is interested in geology, mineralogy and beautiful stones.
I offer combined shipping and 30 days return.
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