Definition that contains gems
- troy a system of weights used for precious metals and gemstones; based on a 12-ounce pound and an ounce of 480 grains
- necklace jewelry consisting of a cord or chain (often bearing gems) worn about the neck as an ornament (especially by women)
- ruby a transparent deep red variety of corundum; used as a gemstone and in lasers
- jewelry an adornment (as a bracelet or ring or necklace) made of precious metals and set with gems (or imitation gems)
- jade 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
- jewellery an adornment (as a bracelet or ring or necklace) made of precious metals and set with gems (or imitation gems)
- emerald a green transparent form of beryl; highly valued as a gemstone
- matrix (geology) a mass of fine-grained rock in which fossils, crystals, or gems are embedded
- plasma a green slightly translucent variety of chalcedony used as a gemstone