Explanation
jasper is a kind of hotan jade with more minerals, in which the content of iron oxide and clay minerals can reach more than 20%, which is impermeable, slightly permeable or semi permeable, and the color is mostly green. According to origin, it can be divided into jasper from Xinjiang, jasper from Tuojiang, jasper from Russia, jasper from Canada, jasper from New Zealand, and jasper from California, USA.
Classification
Natural materials and products -> Mineral materials