Share 'Tumbling gemstones with a mystic coating!'

I've had a stone tumbler for years and when I discovered I could harden and polish my jewellery in it there was no stopping me..I love it, BUT just a word of warning; I was just about to tumble mystic topaz earrings when I remembered my labradorite necklace and how when I photographed it, the mystic quartz looked clear. I got the necklace out and I'm glad I did. The mystic quartz appears to have…