https://www.demilked.com/geology-confectionary-amethyst-geode-cake-rachael-teufel/
Amethyst Geode Cake Is A Tasty Mineral You Can Eat | DeMilked
Jan 26, 2016 - While I can't smell what the Rock is cooking, it's probably not an amethyst geode cake.
amethyst geodeyou cancake
https://australian.museum/learn/minerals/mineral-factsheets/amethyst-geode/
Amethyst geode - The Australian Museum
Brazil contains some of the deepest purple amethyst and largest geodes ever found. This impressive amethyst-lined geode shows hundreds of glittering crystals.
amethyst geodethe australianmuseum