Ba Yin mountain stoneSize: 68X23X14 cmWeight: 15 kgBa Yin mountain stone produced on the mountains near Liuzhou, Guangxi province. It is a kind of massive rock, you can hear sounds when knock on the stone with a hard material. âBa Yinâ is mean eight sounds(voices). Most of Ba Yin stones are embedded under the ground, parts of stone are dissolved since millions of years, so the shape of Ba Yin stone is multifarious with varieties of landscapes.