Flat of 24 mixed assorted rough stones. Each is a clean specimen from the earth. This tray is an excellent choice for getting started with gems and minerals for learning or for energy work. Mixed rough includes, quartz crystal, Lepidolite, Red Jasper, Rose Emerald, Jasper, Black Obsidian, Calcite, Yellow Aventurine, Sodalite, Zebra Jasper, White Howlite, Emerald with Mica. 1" - 1 1/4" From Brazil.