Weight:100g size : 7mm to 9mm Material: Red Coral Quartz NOTE: 1.We delivere the items at random, we cannot ensure that the items and pictures are exactly the same ,because that all natural stones/crystal are unique，so you can think of the picrures as your reference, hope your understanding. 2.The real color of the items may be slightly different from the pictures as shown,it's attributed to many factors ,such as the brigtness of your monitor and rays,and also the angle you look at the item. 3.The size of the manual measurement maybe in a small error,it's just a approximate size ,you can think of it as your reference. Please feel free to contact us if you have any questions,we are waiting for your visit!Thanks!