Feature:1. 1. Natural mineral stone: It contains various natural crystal ore and fossil specimens. The best collection box for beginners, the best geological textbook for children.2. 2. Beautiful crystal collection: Used for aura, meditation, chakra balance or ritual.3. 3. Stone size: 12-16mm, made of different rough stones. Every stone is unique.4. 4. This is a great gift for lovers, family and friends.5. 5. Due to the natural state of the stone, the color and shape of each stone may be different. The picture is for your reference and you will receive a picture similar to the picture shown.Specification:Material: Ore, FossilBox size: 13*12cmSize: Each of about 12-16mm Weight: About 66GPackage List:1 box of ore specimensNote:Due to the lighting effects and shooting angles, there is color difference in the product, please understand.Due to manual measurement, there is a tolerance in the product size.