CATALOGUE OF GEMS AND PRECIOUS STONES. 183 



Callainite=translucent green aluminum hydrous phosphate (probably variscite). 



Cameo=relief carving on a gem (the opposite of intaglio). 



Canary =yellow diamond. 



Canary beryl =greenish-yellow beryl. 



Cancrinite= complex aluminum, calcium, and sodium hydrous silicate and the 



carbonate radicle. 

 Candle coal=cannel coal. 



Cannel coal = dark grayish-black or brownish-black coal. 

 Cape chrysolite = green prehnite from South Africa. 

 Cape garnet=bright red-yellow almandite (garnet). 



Cape May diamond = colorless and clear quartz crystal from Cape May, New Jersey. 

 Cape ruby=blood-red pyrope (garnet) from South Africa. 

 Cape = diamond having a yellowish tinge. 

 Carbonado=black diamond, not crystallized. 

 Carbuncle=clear deep-red almandite garnet; also any red, scarlet, or crimson garnet 



cut cabochon. The term is also improperly applied to any red stone especially if 



cut cabochon. 

 Carmazul= oxidized copper ore showing red, brown, blue, and green colors, from 



Lower California, Mexico; composed of jasper, chalcedony, quartz, hematite, 



chrysocolla, and malachite. 

 Carnelian=translucent red chalcedony. 

 Carnelian-onyx= agate with red and white bands. 



Cassinite=pearly, bluish-green aventurine feldspar from Delaware County, Penn- 

 sylvania. 

 Cassiterite=tin oxide. 

 Cat sapphire=dark-blue sapphire. 



Catalinite=beach pebbles from Santa Catalina Island, California. 

 Catalina sardonyx=catalinite. 

 Catlinite= compact red clay. 

 Cat's-eye=any mineral having a changeable luster or showing opalescence without 



play of colors; also true cat's-eye (chatoyant chrysoberyl) ; also chatoyant quartz. 

 Celestial stone=turquoise. 



Celestial precious stone=olivine from meteorite. 

 Cer-agate=chrome-yellow agate from Brazil. 

 Ceylon cat's-eye=chrysoberyl cat's-eye. 



Ceylon chrysolite=yellowish-green or greenish-yellow tourmaline. 

 Ceylon hyacinth =garnet. 

 Ceylon opal=moonstone. 



Ceylon peridot=honey-yellow or yellowish-green tourmaline. 

 Ceylon ruby=ruby from Ceylon; also deep-red almandine garnet from Ceylon; also 



any pale or pink ruby. 

 Ceylon sapphire=pale-blue sapphire (corundum). 

 Ceylonese zircon=fire-red cloudy zircon. 

 Ceylonite= black spinel. 



Chalcedony=compact silica, transparent or translucent, with a waxy luster. 

 Chalcedony onyx=agate with white and pale bands. 

 Chalcedonyx= chalcedony with alternating stripes of gray and white. 

 Chalchihuitl=supposed to have been applied to blue, gray, or green calamine from 



Mexico, also to turquoise, emerald, prase, green jasper, and jadeite. 

 Chalchuite=green turquoise. 

 Changeant=labradorite. 



Chert=cornpact silica, includes Hint, hornstone, and jasper. 

 Chessy copper=azurite. 

 Chessylite=azurite. 



