Mineral
- opal
A translucent mineral consisting of hydrated silica of variable color; some varieties are used...
- chrysoberyl
A rare hard yellow green mineral consisting of beryllium aluminate in crystal form;...
- turquoise
A blue to grey green mineral consisting of copper aluminum phosphate; "blue turquoise...
Also contains
- coral
The hard stony skeleton of a Mediterranean coral that has a delicate red or pink color and...
- cat's eye
Any of various gems (as chrysoberyl or chalcedony) that reflect light when cut in a rounded...
- jade
A semiprecious gemstone that takes a high polish; is usually green but sometimes whitish; consists...
- lapis lazuli
An azure blue semiprecious stone.
- jasper
An opaque form of quartz; red or yellow or brown or dark green in color; used for ornamentation...