489 
483 
484 
485 
486 
487 
488 
489 
490 
491 
499 
493 
} 494. 
| 495 
496 

TYPE MINERALS. 17 
Quartz Crystals—locally called Mountain Dia- 
monds. Tyrol. 
Crystallized Quartz. 
Agate. Upper Hutt, Wellington, N. Z. 
Semi-Opal. 
Brown Quartz. 
Chalcedony. Otepopo, Otago, N. Z. 
Purple Quartz. Malvern Hills, Canterbury. 
Rose Quartz. Prussia. 
Violet Quartz. 
Chert, or Hornstone. 
Wood Opal. Hungary. 
Crystallized Quartz. 
Avanturine. 
2 Hornstone. 
Ferruginous Quartz. 
Wood Opal. Tasmania. 
Common Opal. 
Quartz, massive. 
Chrysoprase. Scotland. 
Silicified Wood. Middle Island, N. Z. 
Common Opal. Kaschau, Hungary. 
Menilite—var. of Opal. Near Paris. 
Jasper. 
Fossil Wood. 8. Australia. 
Chalcedony. 
Opalite. Norway. 
Chalcedony. Moeraki, Otago, N. Z. 
Crystallized Quartz. Cornwall. 
Ps 3 on Clay Slate. Cornwall. 
Quartz, with Pyrites. Cornwall. 
Agate Rock. Near Dresden, Saxony. 
Silicified Wood. Tasmania. 
”? ” 
Onyx. Oberstein. 
Agate Pebbles. Ichaboe. 
Quartz Rock. 
Hyalite, or Muller’s Glass. Bohemia. 
Radiated Quartz. 
497 Horny Opal. §. Australia. 
