Biconvex Jade Knife

Mottled gray-green and dark brown stone

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

Mottled green, gray, and black nephrite with whitish veins

Bluish gray-green stone with black and light brown markings

Deep celadon-green and cream-colored, partly calcified nephrite

Bluish gray-green stone with dark gray veins and a few buff areas

Light milky brown stone with a few darker veins

Pale green nephrite with russet markings and a dark brown spot

Light bluish green and bone-colored nephrite with a lustrous polish

Yellowish green and calcified, cream-colored nephrite

Light green and brownish, strongly translucent nephrite

Deep black stone