They may be the middle stone in a solitaire placing, surrounded by diamonds or other coloured gemstones, or utilised as side stones to complement a central diamond or gemstone. A complete of eighty four sub-stones and 9 main gems have already been informed in Ratnashastra, in which Pukhraj is taken https://www.naturalpukhraj.com/blog/explore/which-stone-is-good-for-guru-or-jupiter