66 



liULLETIX 33, UNITED STATES NATIONAL MUSEUM. 



FERGUSONITE, Haid. Y(Nb,Ta)04. 

 Tetragouul. Arrlienite ; yttrotantal- 

 ite, brainier ; yttrotantalite, yellow. 



Bragite, Forbes and Dahl. 



Tyrite, Forbes. 



YTTERBY IMINEKAL, Xord. 



Ferricalcite. Seo Corito. 

 Ferrile. Vogelsang's name for the unde- 

 termined amorphous oxide of iron in 



many rocks. 

 Ferrocalcite. See Calcite. 

 Perrocobaltine. See Cobaltite. 

 Ferrocobaltite. See Cobaltite. 

 Ferroilnienite. See Columbite. 

 Ferrotantalite. See Tantalite. 

 Ferrotelhtrite. FeTe04. Crystalline. 

 Ferrotitanite. See Schorlomite. 

 Ferrotungsteu. See Tammite. 

 Ferrowolframite. »See Wolframite. 

 Ferruginous chlorite. See Delessite. 

 Ferruginous jasper. See Quartz. 

 Ferruginous lithomarge. See Teratolite. 

 Ferruginous opal. See Opal. 

 Ferruginous oxide of columbium. See 



Columbite. 

 Ferruginous oxide of titanium. See 



Menaccanite. 

 Ferruginous oxide of tungsten. See 



Wolframite. 

 Ferruginous phosphate of manganese. 



See Triplite. 

 Ferruginous silicate of maganese. See 



Willemite. 

 Ferruginous quartz. See Quartz. 

 Ferruginous zinc spar. See Smithsonite. 

 Ferrum arsenico mineralisatum. See 



Wolframite. 

 Ferrum calciforme terra quadam in- 



cognite intime mixtum. See Cerite. 

 Ferrum cum nragnesio et terra cal- 



carea acido aereo, mineralisatum. 



See Siderire. 

 Ferrum limosum. See Limonite. 

 Feste uranokker. See Gummite. 

 Festungsachat. See Quartz. 

 Fetid carbonate of lime. See Calcite. 

 Fetid limestone. See Calcite. 

 Fetid sulphate of barytes. See Barite. 

 Fetid quartz. See Quarta. 

 Fettbol. See Chh)ropal. 

 Fettquarz. See Quartz. 

 Fettstein. See Nephelite. 

 Feuerblende. See Pyrostilpnite. 

 Feuerluft. See Carbonic acid. 



Feueropal. See Opal. 



Feuerstein. See Quartz. 



Feu grisou. See Carbonic acid. 



FIBROFERRITE, Hose. Fe"V,(0H)8 

 (S04)„+23 n,0. Orthorhombic. Co- 

 piapite, Smith ; eisenosyd, strahliges 

 scbwelelsaures; stypticit, Hausm. 



FIBROLITE, Boiirnon. AleSiO,,. Mono- 

 clinic. Bournonite, Lucas; faser- 

 kiesel, Lindacker ; fibrolith. 

 Bamlite, Erdm. 



SiLLiMAXiTE, Bowen : Bucholzite, 

 Brandes; hydrobucholzite ; mouro- 

 lite, SiUiman ; monrolith. 

 WoERTiiiTE, Hess: Woerdhite. 



Fibrolith. See Fibrolite. 



Fibrous alum f Hydrous sulphate of alum- 

 ina. 



Fibrous bismuth. See Bismuth. 



Fibrous blende. See Sphalerite. 



Fibrous brown coal. See Mineral coal. 



Fibrous brown iron ore. See Limonite. 



Fibrous calcite. See Calcite. 



Fibrous coal. See Mineral coal. 



Fibrous gypsum. See Gyj)sum. 



Fibrous heavy spar. See Celestite. 



Fibrous quartz. See Quartz. 



Fibrous stypticite. See Copiapite. 



Fibrous sulphur. See Sulphur. 



Fibrous zeolite. See Mesolite. 



Fibrous zeolite. Sec Scolecite. 



FICHTELITE, Bromeis. CgHg. Mono- 

 clinic. Fichtelitb. 

 Tecoretin : Tekoretin, Forchh. ; the- 

 coretine. 



Fichtelith. See Fichtelite. 



Ficiuite, Bernh. A ferrous phosphate. 

 Monoclinic. 



Fieldite. See Tetrahedrite. 



Figura hyacinthica, etc. : haec crystalli 

 non sunt calcareae, sed siliceee. 

 See Ilurmotome. 



Figure stone. See Talc, Finite, and Bi- 

 luirite. 



FILLO^A^ITE. (Mu, Ca, Fe, Na3)3(P04)3 

 -f-f H^O. Monoclinic. 



Finbo-tantAlit. See Tantalite. 



Fiorite. See Opal. 



Fireblende. See Pyrostilpnite. 



Fire garnet. See Garnet. 



Fire marble. See Calcite. 



Fire opal. See Opal. 



Fire stone. See Opal. 



Firuzegi. See Turquois. 



