252 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 58 



Association of tin with Continued. 



Manganite ...................................................... 227 



Margarite ...................................................... 3b 



Mica ____ 245, 350, 380, 498, 505, 542, 554, 573a, 651, 654, 797, 817, 



1016, 1137, 1181, 1183, 1238, 1240, 1258(7), 1263 

 Mispickel, see Arsenopyrite. 

 Molybdenite.... 227, 235a, 428, 523, 530, 573a, 580(7), 586, 604, 797, 



927, 1024, 1147, 1148, 1183, 1183b 

 Molybdenum ......... . . f ........................................ 1314 



Molybdenum in mineral waters .................................. 524 



Monazite ____ 3b, 3d, 227, 673, 699, 797, 804, 856, 861a, 891, 903, 1048, 



1052, 1054, 1078a, 1158 

 Montebrasite .............................................. ..... 496 



Muscovite ........................... 245, 498, 505, 1238 (plumose), 1258 



Nickel in mineral waters ........................................ 524 



Niobic oxide, see Columbium. 



Niobium, see Columbium. 



Orthoclase .................... ...... ........................... 573a 



Other minerals ____ 29b, 252, 255, 305, 405, 433, 452, 509, 538, 642, 714, 



791, 792, 797, 820, 936, 976, 992, 995, 996, 1000, 1017, 1083, 



1184a, 1245, 1268, 1311, 1313, 1598 

 Phlogopite ..................................................... 498 



Phosphorus .............................................. . ..... 1314 



Plagloclase feldspar .............................................. 245 



Platinum ........................................... 804, 831, 891, 1327 



Pyrite ____ 3b, 8, 17, 34, 158, 172, 180a, 227, 230, 235a, 428, 498, 573a, 



604, 629, 681, 797, 816, 872, 1009, 1040, 1119, 1148, 1155, 1157, 1158, 



1163, 1168a, 1183 

 See also Iron sulphides. 

 Pyrolusite, see also Manganese oxides ........................... 227, 511 



Quartz ____ 3b, 3d, 180a, 207, 227, 230, 234a, 350, 380, 498, 505, 542, 



573a, 586, 651, 654, 681, 726a, 797, 859, 870, 904, 1073, 1137, 



1148, 1156, 1158, 1240, 1258, 1294, 1314 

 Rutile .............................................. 230, 257, 554, 1639 



Sapphire ................................................ 259, 817, 1143 



Scheelite .......................................... 3b, 227, 1186b, 1250 



Siderite .......................................... 180a, 227, 259a, 586 



Sillimanite ..................................................... 1250 



Silver.... 144, 145, 152, 155, 164, 166, 171, 172, 180a, 184, 225, 235a, 



938(7), 1148, 1168a, 1294 

 Silver ores, see Silver. 

 Silver sulphides, see Silver. 

 " Sparry iron," see Siderite. 

 Specularite, see also Hematite ................................ 530, 1183b 



Sphalerite ......... 155, 180a, 229, 498, 816, 870, 905, 1024, 1040, 1086, 1155 



Spodumene ............................................. 997, 1009, 1148 



