CORUNDUM Antonyms

• a transparent purple variety of quartz; used as a gemstone

• of a moderate purple color

• a transparent variety of beryl that is blue green in color

• a shade of blue tinged with green

• a green transparent form of beryl; highly valued as a gemstone

• a transparent piece of emerald that has been cut and polished and is valued as a precious gem

• the green color of an emerald

• any of a group of hard glassy minerals (silicates of various metals) used as gemstones and as an abrasive

• a translucent mineral consisting of hydrated silica of variable color; some varieties are used as gemstones

• a pale green variety of chrysolite; used as a gemstone

• a transparent piece of ruby that has been cut and polished and is valued as a precious gem

• a transparent deep red variety of corundum; used as a gemstone and in lasers

• a deep and vivid red color

• of a color at the end of the color spectrum (next to orange); resembling the color of blood or cherries or tomatoes or rubies

• a precious transparent stone of rich blue corundum valued as a gemstone

• a transparent piece of sapphire that has been cut and polished and is valued as a precious gem

• a light shade of blue

• of something having the color of a blue sapphire

• a hard glassy mineral consisting of an oxide of magnesium and aluminum; occurs in various colors that are used as gemstones

• a yellow quartz

• a mineral (fluosilicate of aluminum) that occurs in crystals of various colors and is used as a gemstone

• a light brown the color of topaz