Title: Bole, Armenian
Additional Names: Bolus armena; bolus rubra; red bole
Literature References: A red variety of clay (aluminum silicate) contg naturally occurring ferric oxide (hematite). Originally found in Armenia.
Properties: Reddish, soft, unctuous pieces; adheres to the tongue; easily reduced to powder. Insol in usual solvents. d 1.9-2.0.
Density: d 1.9-2.0
Use: For coloring powders, cements, and as a pigment.
Therap-Cat: Adsorbant; protectant. |