Roan: alternatives and connections

A substance of the consistence of wax, found floating in the Indian Ocean and other parts of the tropics, and also as a morbid secreti…

A common mineral embracing many varieties varying in color and in composition. It occurs in monoclinic crystals; also massive, general…

A variety of amphibole or of pyroxene, occurring in long and delicate fibers, or in fibrous masses or seams, usually of a white, gray,…

Consisting of, or resembling, ashes; of a color between brown and gray, or white and gray.

Reddish brown; of the color of a chestnut; -- applied to the color of horses.

Destitute of light, or incapable of reflecting it; of the color of soot or coal; of the darkest or a very dark color, the opposite of…

A mineral, called also sphalerite, and by miners mock lead, false galena, and black-jack. It is a zinc sulphide, but often contains so…

Native tin dioxide; tin stone; a mineral occurring in tetragonal crystals of reddish brown color, and brilliant adamantine luster; als…

Of the color of a chestnut; of a reddish brown color; as, chestnut curls.

Of a dark color; of a color partaking of a brown and black; of a dull brown color; swarthy.

A massive, somewhat impure variety of quartz, in color usually of a gray to brown or nearly black, breaking with a conchoidal fracture…

Gray-haired; gray-headed; of a gray color; hoary.

of an achromatic color of any lightness intermediate between the extremes of white and black; "the little grey cells"; "gray flannel s…

of an achromatic color of any lightness intermediate between the extremes of white and black; "the little grey cells"; "gray flannel s…

Gray; a gray color; a mixture of white and black.

Gray; grayish; sprinkled or mixed with gray; of a mixed white and black.

An iron-gray color; also, a horse of this color.

A singular, crested, grallatorial bird (Rhinochetos jubatus), native of New Caledonia. It is gray above, paler beneath, and the feathe…