This is a red/green/blue fluorescent mineral tower.
Height: 4 1/2 inch
Red - Rhodochrosite, Kalahari, Africa
Green - Youngite agate, Wyoming, USA
Blue - Blue amber, Sumatra, Indonesia
Bonus - red/pink fluorescent synthetic sapphire
*** The photos are taken with a macro lens using white LED illumination and short wave (SW)/long wave (LW) ultraviolet lamp with UV filters. ***