Very fine pigment.
particle size 0-20 microns
Natural pigment suitable for icon painting (egg tempera), oil painting and watercolor painting without additional grinding.
Posted by Dr. Thomas KATSAROS on 26th Oct 2016
The Russian Green consists of Volkonskoite a variety of smectite rich of Chromium oxides was the beloved colour of Picasso during the Blue Period.
The specific material was valuable and very pure.
Its cost isn't expensive, as someone could be suposses.