Lot Essay
Root amber is not formed as previously thought by resin mixing with the earth at the base of a tree, but by chemical interaction afterwards. For a discussion of the process and examples of the material see Moss, Graham, Tsang, A Treasury of Chinese Snuff Bottles, The Mary and George Bloch Collection, Vol. 7, Part 1, Organic, Metal, Mixed Media, Hong Kong, 2008, pp. 279-81, no. 1575.