... Resistant to thermal shock .Good quality and price .Fast delivery China Murky Black slate Materials Available for all other slates, quartzite ... Character Low Ca , acid-resistant, non-fading Color Black, Green, Blue-black, Rusty yellow or any your need Sizes Low ... slate tile, natural slate, roofing slate, wall slate, sandstone slate, green slate, natural slate, honed slate, polished slate, etc. Slate ...