Size for crystal is approximately 0.5"(15x15x8mm);Material:Rose Quartz;Weight:3-5 Grams/Pc ;Quantity:Pack of 10 Please kindly know that,every piece is natural and unique,the actual sizes and shapes are a bit different from each other.we will send one(s) similar as pictures shown. Shape:Puff Heart;Style:Polished,Smooth,Worry Stone,Pocket Stone,Palm Stone;October Birthstone;Romance Stone.Healing Crystal;Chakra:Heart Chakra They are usually use for healing,manifestation,chakra balancing,energy magnification,energy charged,protection,fengshui,paperweight,home decoration,pocket decor,bookend,amulet,etc. Carved and polished crystal hearts are a perfect gift as a symbol of our love. They are great to look at, fit perfectly in your hand when meditating and make a wonderful addition to anyone's crystal collection. Polished crystal hearts are a perfect gift as a symbol of our love. They are great to look at, fit perfectly in your hand when meditating and make a wonderful addition to anyone's crystal collection.