Stichtite: Stichtite is a purplish to pink mineral many times found mixed with green serpentine. Its a hydrated magnesium chromium carbonate hydroxide mineral.With a hardness of 1.5 to 2 on the Mohs scale, stichtite is very soft and used mainly in carvings and ornamental pieces like necklaces or rings. Due to its softness rings and necklaces combine silver or tin to hold the smoothed down pieces in place. (read full)