How to differentiate black stones in this video I show some types of black stone, turquoise stone the information I passed was based on information that I passed through video information that I searched on RU-vid, and I show the stone Onix, cyanite known as witch's broom, I show carbon, transparent black stones, black sapphire, bluish sapphire, black obsidian, earth glass obsidian, mahogany obsidian, apache tear obsidian, nickel, black tourmaline, borum
4 июл 2019