I grew some really cool alum crystals at home. Hope you like it! : r/somethingimade

FMF - Friends of Minerals Forum, discussion and message board

I grew some really cool alum crystals at home. Hope you like it

FMF - Friends of Minerals Forum, discussion and message board

Here are Nine Beautiful Crystals You Can Grow at Home

Large Alum Crystal Kit Professor Figgy's Fabulous Science Kits

I grew some really cool alum crystals at home. Hope you like it

BOMB Magazine An Oral History with Dindga McCannon by Philip Glahn

I spent 3 months growing this alum crystal at home : r/pics

How to Grow Your Own Crystals - A Beautiful Mess

I grew some really cool alum crystals at home. Hope you like it

The Best Way to Grow Alum Crystals at Home - Crystalverse

MT. KENYA STAR by MT. KENYA STAR PUBLISHERS - Issuu

One of my most interesting ones yet: Heart shaped alum crystal

FMF - Friends of Minerals Forum, discussion and message board

Large Alum Crystal Kit Professor Figgy's Fabulous Science Kits