What is "aurum mosaicum"

Mosaic \Mo*sa"ic\, a. Of or pertaining to the style of work called mosaic; formed by uniting pieces of different colors; variegated; tessellated; also, composed of various materials or ingredients. A very beautiful mosaic pavement. --Addison. Florentine mosaic. See under Florentine. Mosaic gold.

1. See Ormolu.

2. Stannic sulphide, SnS2, obtained as a yellow scaly crystalline powder, and used as a pigment in bronzing and gilding wood and metal work. It was called by the alchemists aurum musivum, or aurum mosaicum. Called also bronze powder.

   Mosaic work. See Mosaic, n.