200 BULLETIN 118, UNITED STATES NATIONAL MUSEUM. 



Chondrodite. 



Chromite= chromic iron. 



Chrysoberyl=alexandrite, cat's-eye, Ceylon cat's-eye, chrysolite, cymophane, 

 floating light, opalescent chrysolite, oriental cat's-eye, Ural chrysoberyl. 



Chrysocolla=keystonite, siliceous malachite. 



Clay=catlinite, pipestone, porcelain jasper. 



Coal=anthracite, black amber, brown coal, candle coal, cannel coal, jet, lignite. 



Cobaltite. 



Copper ore gem=carmazul, chrysocarmen, copper pitch ore, mahogany ore. 



Cordierite=dichroite, iolite, lynx-stone, peliom, prismatic quartz, saphir d'eau, 

 Spanish lazulite, steinheilite, violet stone, water sapphire. 



Corundum=adamantine spar, asteria, asteriated topaz, Australian sapphire, Burma 

 ruby, cat sapphire, Ceylon ruby, corundum cat's-eye, female sapphire, girasol, 

 Kashmir sapphire, king topaz, leuco-sapphire, lynx sapphire, male sapphire, 

 Montana sapphire, oriental, oriental amethyst, oriental aquamarine, oriental cat's- 

 eye, oriental chrysoberyl, oriental chrysolite, oriental emerald, oriental girasol, 

 oriental hyacinth, oriental moonstone, oriental peridot, oriental sapphire, oriental 

 smaragd, oriental sunstone, oriental topaz, red stone, river sapphire, ruby, sap- 

 phire, star ruby, star sapphire, Siam, star topaz, topaz cat's-eye, white sapphire, 

 Yogo sapphire. 



D. 



Danburite. 



Datolite. 



Diamond =Bahia, blue-white, brilliant, by-water, canary, cape, carbonado, first 

 bye, first water, Golconda, jager, ripe-diamond. 



Diaspore. 



Dioptase=achirite, Congo emerald, copper emerald, emerald copper, emerald mala- 

 chite, emerandine. 



Dumortierite. 



E. 



Epidote=piedmontite, pistacite. 



Euclase. 



Euxenite. 



F. 



Feldspar=adularia, albite, albite moonstone, amazonstone, andesine, aventurine 

 feldspar, bemiscite, bull's-eye, cassinite, Ceylon opal, changeant, chesterlite, 

 delawarite, fisheye, girasol, heliolite, Labrador spar, Labrador stone, labradorite, 

 leelite, lennilite, microcline, moonstone, oeil de boeuf, oligoclase, opaline feldspar, 

 orthoclase, orthose, ox-eye, peristerite, perthite, sunstone, variolite, water opal, 

 wolf's eye. 



Fergusonite. 



Fluorite=blue John, chlorophane, cobra stone, crimson night stone, false amethyst, 

 false emerald, false ruby, false sapphire, false topaz, fluorspar. 



Fossil=beckite, beekite, fossil coral, Petoskey agate, petrified honeycomb, trilobite. 



Franklinite. 



G. 



Gadolinite. 



Garnet= Adelaide ruby, almandite, American ruby, andradite, Arizona ruby, Ari- 

 zona spinel, Bobrowska garnet, Bohemian diamond, Bohemian garnet, California 

 ruby, Cape ruby, carbuncle, Ceylon hyacinth, Ceylon ruby, chloromelanite , 

 chrome garnet, cinnamon stone, colophonite, Colorado ruby, demantoid, Elie 

 ruby, essonite, false hyacinth, Fashoda garnet, gooseberry stone, grossularite, guar- 

 naccino, hessonite, hyacinth, jacinth, jade, melanite, Montana ruby, olivine, orien- 

 tal garnet, ouvarovite, pyrope, rhodolite, rock ruby, Rocky Mountain ruby, roman- 



