Weight:about 85g 6 sides Uses: used as teaching or research tool or used for decoration and photograph With beautiful and design, there be completely different color rendering from different angles at the same environment. Note: This product is a craft that can only be used as teaching tools or research and decorations. It cannot be used in projectors and cameras. Using K9 artificial crystal glass, mechanical and manual multi-pass polishing, eye inspection, precise multi-pass edge polishing, comfortable and moist, polished and . In the same environment, different viewing angles, completely different experience Note:Due to different light, the color presented at each angle is different Colour:As Shown Material:Glass Size:30x30x30mm Package Contents: 1 x prism Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.