HEPBAK Suitable for gemstone collection, home decoration, gift and science education Note: We cherish your full with our products and service, if there anything we can help, feel free to us via or service . suggestion are welcome.Quantity: 500-600grams 1lb-1.3lb. Size around 3-5cm 1.18"-1.96". 5.Because of the color difference between the light and the screen, the color you receive may be slightly different,But We Guarantee That they are all the same quality.The size and weight are measured manually, and there may be a 1-3 mm error. 4.Purpose: This natural stone is suitable for home decoration and can be used as a gift for friends or family. 3. Keep in mind that the piece you will receive may have certain differences in the shape of the stone, but the same quality. 2. Hand selected : We select each crystal by hand, the stone collection set are natural so allow for imperfections which may include growth marks, surface scratches. 1.Natural crystal and stone have the from nature.