536 



PlOI. 



Verd antique 58, 273 



Verona spring 143 



Vesuvian 321 



Vitreous copper 422 



— silver 443 



Vivianite 401 



W. 

 Wad 52, 406 



— composition of several 



varieties of 55 



Warwickite 436 



Water limes, importance 

 of an attention to their 



manufacture 76-82 



Water limestone 75 



Water of the Hudson ... 180 



INDEX. 



Pici. 



Waters, mineral 99 



Wehsterite 320 



Wemerite 329 



White augite 286 



— iron pyrites 393 



— lead ore 414 



Wilks mine, Orange co. . 9 



Wilson lead vein 50 



Wolfram 457 



Wollastonite 270 



Wood coal 191 



X 



Xanthite 322 



Yellow copper pyrites. . . 423 



Paoi. 



Yellow garnet 324 



— ironstone 29 



— lead ore 416 



— mineral resin ... . 185 



— ochre 29 



— oxide of tungsten . 456 



Yenite 403 



Young's cave 228 



Z. 



Zeolite 344, 350 



Zigueline 421 



Zinc blende 408 



— sulfur^ 408 



Zircon 378 



Zirconite 378 



Zoizite 308, 354 



