Charoite, silky, premium class with a natural wavy pattern and mother-of-pearl iridescence. Russian deposit
Frame: Author's, handmade, made of 925 * silver with blackening, on the reverse side of the bail there is a nameplate and a sample of the State Assay Chamber.
The size of the stone (large) - 44x23x4 mm, weight-11.21 g.