158 BULLETIN 33, UNITED STATES NATIONAL MUSEUM. 



Silex cachalong. See Opal. 



Silex calcedoine. See Quartz. 



Silez corualine. See Quartz. 



Silex corne. See Ortlioclase and Quartz. 



Silex de la craie. See Quartz. 



Silex ex eo ictu ferri facile ignis elici- 



tur — ex cubis alliisque figuris in- 



tersectis constans. See Ortlioclase. 

 Silex meuliere cellulaire. See Quartz. 

 Silex nectique. See Opal. 

 Silex niger cum cruce Candida. See 



Audalusite. 

 Silex pyromaque. See Quartz. 

 Silex resinite. See Opal. 

 SILFBERGITE. P'e4Mn(Mg, Ca)i 



(SiO.,),. 

 Silica rock. See Opal. 

 Silicate du Coromandel. See Tscliefl"- 



kinite. 

 Silicate of alumina, oxyd of iron and 



a new earth. See Gadolinite. 

 Silicate of bismuth. See Eulytite. 

 Silicate of cerium. See Cerite. 

 Silicate of iron. See Fayalite. 

 Silicate of magnesia and iron. See 



Choudrodite. 

 Silicate of manganese. See Khodonite. 

 Silicate of yttria. See Yttria silicate. 

 Silicate of zinc. See Calamine and 



Willemite. 

 Silicate of zirconia. See Zircon. 

 Silice. See Quartz. 



Silice fluatee alumineuse. See Topaz. 

 Silice gelatineuse. See Opal. 

 Siliceous aluminite. See AUophane. 

 Siliceous anhydrous gypsum. See An- 

 hydrite. 

 Siliceous borate of lime. See Datolite. 

 Siliceous calamine. See Calamine. 

 Siliceous copper. See Chrysocolla. 

 Siliceous feldspar. See Albite. 

 Siliceous hydrate of magnesia. See 



IJrucite. 

 Siliceous lime.stone. See Calcite. 

 Siliceous oxide of cerium. See Cerite. 

 Siliceous oxide of manganese. See 



Rhodouire. 

 Siliceous oxide of zinc. See Calamine. 

 Siliceous schistus. See Quartz. 

 Siliceous sinter. See Opal and Quartz. 

 Silicicalce. See Calcite. 

 Siliciferous hydrate of alumina. See 



Collyrite. 

 Siliciferous oxide of cerium. See 



Cerite. 



Siliciferous oxide of manganese. See 

 Rhodonite. 



Silicified coral. See Quartz. 



Silicifled shells. See Quartz. 



Silicified sponge. See Quartz. 



Silicified -wood. See Quartz. 



Siliciophite. See Serpentine. 



Silicite. See Labradorite, 



Silicoborocalcite. See Howlite. 



Silico-calcareous oxide of titanium. 

 See Titanite. 



Sillimanite. See Fibrolite. 



Silvane blanc. See Sylvanite. 



Silvane lamelleux. SeeNagyagite. 



Silvane natif. See Tellurium. 



Silvanite. See Tellurium and Sylvan- 

 ite. 



SILVER, Ag. Isometric. Argent, Fr. ; 

 argent natif, R. ; argent vierge, de 

 Lisle; diana, Jlchem. ; gediegen sil- 

 ber, Germ. ; hexahedral silver, Mohs; 

 k^seph, Heireiv; luna, Alcliem.; na- 

 tive silver ; plata silber, Germ. 



GtJLDISCH SILBER, HaUS. 



KiJSTELiTE, Breit. 



Silver, autimonial. See Dyscrasite. 



Silver, antimonial sulphuret. See 

 Freieslebenite and Pyrargyrite. 



Silver, arsenical. See Dyscrasite. 



Silver arsenide, Forbes. Ag, Fe, Co. As. 



Silver arseno-aniimonide. Ag, Sb, As, Fe. 



Silver, bismuth. See Chilenite and 

 Scbapbachite. 



Silver, black. See Stephanite aud Ar- 

 geutite. 



Silver, brittle sulphuret. See Steph- 

 anite. 



Silver, bromic. See Bromyrite. 



Silver carbonate. See Selbite. 



Silver chloride. See Cerargyrite. 



Silver chlorobromide. See Embolite. 



Silver, cupreus sulphuret. See Stroni- 

 eyerite. 



Silver, flexible. See Sterubergite. 



Silver, flexible sulphuret. See Steru- 

 bergite. 



Silver, gray. See Freieslebenite. 



Silver glance. See Argentite. 



Silver, horn. See Cerargyrite. 



Silver, iodic. See lodyrite. 



Silver lodobromide. See lodyrite. 



Silver miilm. See Argentite. 



Silver muriate. See Cerargyrite. 



Silver, native. See Silver. 



Silver selenide. See Naumannite. 



