CHAPTER 11ELEGANT CRYSTAL ANIMAL SHAPESPicture #7912-inch-long Citrine DolphinCarving and polishing quartz crystal is a really tough and complicated job. Quartz crystal, like the citrine dolphin pictured here, requires diamond-dust tools to cut and polish.Quartz is as hard as granite.In fact, granite is composed of 60% microcrystalline quartz crystal.You have to use a cutting medium like […]