This material is completely mined out and is no longer available, even in Russia. If you want to get some of this rare rough, It's now or never (as Elvis said)
!Seraphinite - also known as clinoclore, or clinoclor - is chatoyant and cuts an exciting and unusual stone. To get slabs and cabs that display the chatoyance, cut parallel to the fibrous plane. Cuts easily and polishes with tin or cerium oxide, diamond or green rouge. Mohs Hardness 2 to 2.5.