Very beautiful art glass!
It is so mesmerizing to look at far away or up close.
It appears to change colors because of the iridescent colors on the outside and inner core based on the type of lighting this is displayed under.
The backside is a frosted iridescent finish while the front angled side is smooth and shows the center core.
Measurements are 7 1/4 inches tall and front to back is 2 3/4 inches .