Synthetic, Simulated, and Treated Gemstones
Cochise College      
Photos of Gemstones

Geology Home Page

Roger Weller, geology instructor
copyright 2017-R.Weller

Alexite-simulated alexandrite-2
closer views
Alexite is a special glass with rare earth elements.

Observed under fluorescent light

alexite                                                                                                                                               3441

Observed under incandescent light

alexite                                                                                                                                               3440
Photos are copyright free for non-commercial educational uses. 
Just credit photos to R.Weller/Cochise College.

Autumn Alexite is green under fluorescent light and orange in natural or incandescent light.
Lavender Alexite is tanzanite blue under fluorescent light and amethyst purple under natural
or incandescent light.

Gems courtesy of RMC Gems HK Co., Ltd.
Unit 1107A, Blk A, Focal Industry Center, 21, Man Lok Street, Hunghom, Hongkong
"(852) 2333-7909