Check the listing for details. Natural Rough Green Jade Slab 470 G. Condition: Used. Listed at 179.00 USD. The product is a natural rough green jade slab weighing 470 grams. Jade is a gemstone known for its beauty and durability, making it a popular choice for jewelry and decorative items. The slab is a unique and natural piece, showcasing the beauty of the stone with a rough finish that highlights its natural properties. It can be used for a variety of purposes, from creating custom jewelry to adding an elegant touch to any space.