It's important to use another with a hardness of a lot more than 7 on the Mohs scale; in any other case, you can just be wasting electricity by working your tumbler. (Take note that These types of products are rather adaptable, created inside a lab for particular disorders and https://www.facebook.com/permalink.php?story_fbid=pfbid02TS3jY1QozvGftjuNNohZBP49QaBCsa3Kh9R6TzzzwbFaDcAo9g3Nkm5fUN4HuVRCl&id=61562415773754&__cft__[0]=AZUAAf8pu_IxpMO3n8q0sFqvQp1zWHRjzb0TT9ZF-WaXuSEgmsYKoL1GSKwZhhbHEhK0nuo31XclhWDRuRXGiMYMzf1MFznddqEzhxkkJ9EGPbBmQ4kKVDbP1JJv9KoXn5m9M9Y8LWZ-aJZ804pbinEa4zwwanu-qegRuPjgBSMywyeBZyD2W4mBW8dxqfZBx1vPI_-Zd_eCJRBQXehST9qC&__tn__=%2CO%2CP-R