TABLE OF CONTENTS V 



Descriptions of minerals — Continued. Page 



Braunite 200 



Cassiterite 200 



Rutile 201 



Plattnerite 202 



Pyrolusite 206 



Goethite 207 



Limonite 208 



Psilomelane 210 



Psilomelane, variety wad 212 



Psilomelane, variety asbolite 212 



Delaf ossite 213 



Calcite 214 



Calcite, variety argentine 220 



Dolomite 222 



Ankerite 22G 



Siderite 229 



Rhodochrosite 235 



Smithsonite 236 



Aragonite 237 



Cerusite 240 



Malachite 261 



Azurite 264 



Aurichalcite 266 



H ydromagnesite 266 



Bismutite 268 



Orthoclase 268 



Orthoclase, variety adularia or valencianite 270 



Microcline 274 



Albite 274 



Andesine 275 



Labradorite 276 



Diopside 277 



Sahlite 280 



Hedenbergite 281 



Augite 282 



Wollastonite 283 



Anthophyllite 284 



Ferroanthophyllite 287 



Tremolite 289 



Actinolite 290 



Hornblende 291 



Hudsonite 292 



Beryl 293 



Almandite-Spessarite series 295 



Andradite-Grossularite series 300 



Forsterite 307 



Chrysolite 310 



Scapolite group 311 



Vesuvianite 314 



Zircon 316 



Topaz 319 



Andalusite 320 



Cyanite 321 



