Truly extremely rare. Astafevskoe, South Urals. A stone with a history: Found in 2005 (A. Mazein - head of the young geologists' club, Plast), was cut by Anatoly Sysoev (Chelyabinsk). In 2015, it was given to Pavel Sosnovskikh for recutting - there was a lot of excess, it was necessary to remove excess quartz). In general, cutting with inclusions of other minerals is a separate, special topic. Such stones are rare and very individual. Of course, their cost is higher, provided that the game and shine of the stone are preserved. The cost can be found out in a private message.