How to Clean Quartz Crystals with Oxalic Acid
![quartz crystal cluster](https://rockhoundingmaps.com/wp-content/uploads/2022/09/quartz-crystal-cluster.jpg)
You’ve gone on a couple of crystal digs and accumulated a nice collection of Quartz crystals and crystal clusters but you have one problem. Your crystals have a yellow-brownish stain but you and I know there are crystal clear crystals underneath it. Here’s a common question I get asked all of the time “How to […]