Triangular Jade Plaque Shaped as a Bird (from a set of five plaques)

Black nephrite

Translucent light gray stone with brown markings

Black, fine-grained nephrite with sharply delineated grayish brown area

Mottled bluish green nephrite that has largely turned to an opaque, light buff color with dark brown markings

Opaque gray stone

Light green nephrite with tan spots, turning dark brown at the lower end

Tortoise shell

Originally translucent, deep brownish green nephrite has mostly turned opaque ocher, while some areas show white, softened substance resulting from calcification

Light gray stone of fibrous structure

Clouded grayish brown nephrite

Light greenish gray nephrite with brown areas

Light olive-green, strongly translucent nephrite