Brandberg Quartz Black Phantom Enhydro QuartzEthically hand mined Brandberg Quartz 80 x 53mm ~ 3 1 4" ~ 216 grams This larger Brandberg has two moving bubbles. The first one in the video is easily seen (more so in person than with my limited video skills), and the larger one is around 7mm and has excellent movement. If you're looking for an enhydro 'bubble quartz', they don't get much better than this. There is also a rare Black Phantom. "Black Phantom Quartz Crystals are very unusual. They