They are often the center stone in a solitaire environment, surrounded by diamonds or other colored gemstones, or used as aspect stones to enrich a central diamond or gemstone. A complete of eighty four sub-stones and 9 major gems are already explained to in Ratnashastra, in which Pukhraj is considered https://www.naturalpukhraj.com/blog/explore/which-stone-is-good-for-guru-or-jupiter