GALLERY. ] 
Tremolite, 33. 
Triphane, 30. 
Triphyline, 57. 
Triplite, 5?. 
Trona, 41. 
Tshefkinite, 38. 
Tufa, calcareous. 
Tungsten, 38. 
Turquois, 57. 
Uranite, 57- 
Uran-mica, 57. 
Uran-vitriol, 55. 
Uranium, oxide, 
•-phosphate, 
-sulphate, 55. 
Vanadiates, 38. 
Vauquelinite, 39 
NATURAL 
Vesuvian, 35. 
Velvet-ore, 58. 
Vermilion,native, 9. 
Vitriol, blue, 58. 
--green, 55. 
-white, 55. 
48. Vitriol-roth, 55. 
Vivianite, 57. 
Volborthite, 38. 
Wad, 13. 
Wagnerite, 57. 
Wavellite, 54. 
17 . Websterite, 55. 
>7. Weiss-ertz, 12. 
, Weissgiillig-erz, 
Wernerite, 31. 
HISTORY. 
Willemite, 26 . 
Withamite, 35. 
Witherite, 41. 
Wolfram, 38. 
Wollastonite, 25. 
Wolnyne, 52. 
Wood-opal, 24. 
Wood-stone, 22. 
Wood-tin, ik 
Wootz-ore, 15. 
Xanthophyllite, 25. 
Yenite, 34. 
You-stone, 28. 
Yttria, phosphate, 
. .57. 
Y ttrium fluoride,59. 
77 
Yttrocerite, 58. 
Yttrotantalite, 38. 
Zeagonite, 29. 
Zeolites, 27, 28. 
Zinc, blende, 5. 
-carbonate, 49. 
-ore, red, 17 . 
-silicate, 26. 
-sulphate, .55. 
-sulphuret, 5. 
Zinc spar, 49. 
Zinc vitriol, 55. 
Zinkenite, 11. 
Zircon, 26. 
Zoisite, 35. 
Zunder-ertz, 40. 
