SYNONYMES, AND PRIMARY FORMS. 457 



BISMUTH. 



carbonate.* 



native. 



oxide. 



sulphuret. 



cupriferous. 



plumbo-cupriferous ; Needle-ore. 



plumbo-argentiferous ; Bismuthic silver. 



Bitter-spar, see Lime, carbonate, magnesian. 

 BITUMEN. 



liquid; Naphtha. 



viscid ; Petroleum. 



solid, elastic ; Elaterite. 

 compact; Asphaltum. 

 earthy ; Maltha. 



Dapeche, brought by Humboldt from South America, 

 and probably does not beJong to the mineral king- 

 dom. 



Fossil copal; Highgate resin. 



Retinasphaltum. 



Blattererz, see Tellurium, native, plumbo-auriferous. 

 Bleiniere, see Lead arseniate. 

 Bleischweif, see Lead, sulphuret, compact. 

 Blende, see Zinc, sulphuret. 

 Blizsinter, see Quartz, sand-tubes. 

 Bloedit, see Magnesia, sulphate of and Soda. 

 Bloodstone, see Quartz, calcedony. 

 Bohnerz, see Iron, oxide, hydrous. 



BOLE ; Lemnian earth ; Terra de Siena ; Terra sigillata. 

 Bolide, see Iron, native meteoric. 

 Bolognian spar, see Barytes, sulphate, 

 BoRAcicAciD; Sassolin. 

 Boracite, see Magnesia, borate. 

 Borax, see Soda, borate. 

 Borech, see Soda, carbonate. 

 Botryolite, see Lime, borate, siliceous. 

 Bournonite, see Lead, triple sulphuret. 

 BREISLAKITE. 

 BREWSTERITE. si right oblique-angled prism, M on T, about 



93 40'. 



Brongniartin, see Soda, sulphate of Soda and Lime. 

 BRONZITE; fibrous Diallage metalloide. Cleavage parallel 



to the planes and to both the diagonals of a rhombic 



prism,) of about 93 30', with indications of another 



cleavage perpendicular to the axis of the prism. See 



Hypersthene. 



3n- 



