Incredibly rare 19" tall Amethyst and Blue Agate Geode Heart.
This is a very rare formation as you can see all the white silica on the backside from being baked in magma..
From Uruguay, this heart weighs 26.5/lbs and measures overall 19" tall.
The heart itself measures
15" x 13" x 3" thick
(381mm x 331mm x 76mm)
The Heart sits on a custom spinning base