- A mineral, found in crystals, of a yellow to green or
brown color, and consisting of aluminia and glucina. It is very hard,
and is often used as a gem.
- A mineral occurring in tetragonal crystals, usually of a
brown or gray color. It consists of silica and zirconia. A red variety,
used as a gem, is called hyacinth. Colorless, pale-yellow or
smoky-brown varieties from Ceylon are called jargon.
- A pigment - Artist’s pigment, burnt or raw ... - Brown bomber left Diddley for you - Brown involved in dumb error - Brown pigment - Brown shade used in Northumberland - Brownish colour