- Types:
- show 12 types...
- hide 12 types...
-
chrysoberyl
a rare hard yellow green mineral consisting of beryllium aluminate in crystal form; used as a gemstone
-
opal
a translucent mineral consisting of hydrated silica of variable color; some varieties are used as gemstones
-
cat's eye
any of various gems (as chrysoberyl or chalcedony) that reflect light when cut in a rounded shape
-
coral, precious coral, red coral
the hard stony skeleton of a Mediterranean coral that has a delicate red or pink color and is used for jewelry
-
jade, jadestone
a semiprecious gemstone that takes a high polish; is usually green but sometimes whitish; consists of jadeite or nephrite
-
jasper
an opaque form of quartz; red or yellow or brown or dark green in color; used for ornamentation or as a gemstone
-
lapis lazuli, lazuli
an azure blue semiprecious stone
-
turquoise
a blue to grey green mineral consisting of copper aluminum phosphate
-
alexandrite
a green variety of chrysoberyl used as a gemstone
-
black opal
a dark colored opal with internal reflections of green or red
-
fire opal, girasol
an opal with flaming orange and yellow and red colors
-
harlequin opal
a reddish opal with small patches of brilliant color
