Look into the inside of natures beautiful, fascinating, natural formations, with a gorgeous Amethyst crystals quartz cathedral. A stunning display of high quality Amethyst crystal quartz, each unique in their own shape, colors size and formation. Bound to hold anyone’s attention in awe!! Grade 7. Base girth – 3′ 9″; Depth mid section – 12.75″; Height – 2′ 2.5″.