Crystal yoni eggs are not to be boiled as they may crack under pressure or ruin their crystalline structure and integrity.Despite what some practitioners share, we suggest washing your Yoni Eggs in warm water with a dash of apple cider vinegar, lavender oil or a gentle organic soap wash (nothing too harsh).The only stone that can whitstand boiling hot water is Nephrite Jade and even still, I don’t encourage you to boil this stone despite its density. And whatever you do, do not insert a hot egg into your vagina. Wait for it to cool down until it’s luke warm.