PLATE II. 
Figs. 1—7.—The Topaz. 
fv •' 
1. Topaz , primary form, right rhombic prism. 
2. The same, vinous yellow, with simple truncation of the acute angles and basal edges, and double truncation of the acute 
lateral edges, the most usual form of the Saxony crystal, from Schneckenstein near Auerbach in Yogtland, 
3. Darlc yellow Topaz , a rhombic prism, with sharpening of the acute lateral edges, and simple truncation of the basal 
edges (rhombic octahedron), from Brazil. 
4. Sea-green Topaz or Aqua-marine, with simple truncation of the lateral and basal edges, and double truncation of the 
acute angles, from Mursinsk near Katherinenberg. 
5. Light yellow Topaz , cut for a brooch stone, from Brazil. 
6. Dark yellow Topaz , cut as a stone for a ring, from Brazil. 
7. The same , heated and rose-red, the so-called balais, from Brazil. 
Figs. 8—19.—The Gaenet. 
8. Common Garnet, brownish red, primary form a rhombic dodecahedron, from the Tyrol. 
9. Primary form of the garnet, with truncation of all the edges, combination of this and the trapezohedron or leucitoid. 
10. Trapezohedron , as it occurs in the Bohemian garnet, pyrope, and in grossular. 
11. Rhombic dodecahedron, with double truncation of the edges, union of the leucitoid and forty-eight faced solid, as it 
occurs in the common garnet of Auerbach and Forth America. 
12. Lime-chrome-Garnet or Ouvarovite , primary form in chromic ironstone, from, Bissersk in Siberia, 
13. Noble Garnet or Pyrope, cut as a stone for a ring, from Bohemia. 
14. Noble Oriental Garnet , cut as a stone for a pin, from Ceylon. 
15. Red Noble Garnet, cut as a stone for a brooch, from the Tyrol. 
16. Noble Garnet or Topazolite , rhombic dodecahedron, from Brazil. 
17. Green Garnet or Grossidctr, from Siberia. 
18. Black Garnet or Melanite , primary form with truncation of the edges, from Frascati near Rome. 
19. Ruby Garnet, cut as a stone for a ring, from Ceylon. 
Figs. 20—24.—Vesuvian and Idocease. 
20. Vesuvian, primary form a quadratic prism, with truncation of the lateral edges. 
21. The same, with truncation of the lateral and basal edges, olive green, from Siberia. 
22. The same, dark green, with truncation of basal angles and lateral edges, from Piedmont, 
23. Brown Vesuvian, imbedded in stone, with truncation of the lateral and basal edges, from 4 esuvius. 
24. Cut Vesuvian, grass-green, from Piedmont. 
Figs. 25—27.—Cheysolite, Olivine. 
25. Chrysolite , right rectangular prism, primary form. 
26. The same, with truncation of the long basal and of the lateral edges, 
27. The same , cut as a stone for a ring, from the East. 
Figs. 28—30.—Pistacite, Epidote. 
28. Pistacite, primary form a right rhomboidal prism. 
29. The same, with truncation of the lateral and basal edges, in reddish calcite, trom Arendal in South Norway. 
30. The same, with truncation of the acute angles and lateral edges. 
Figs. 31—34.—Tuequoise, Johnite, Calaite. 
31. Grape Johnite, in a yellowish mass of quartz, from Silesia. 
32. Apple-green Turquoise, in gray calcareous marl, from Thibet. 
33. The same, cut, from the same locality. 
34. Bluish-green Turquoise, cut as a table, also from Thibet. 
Figs. 35 and 36. -—Lazulite, Lapis Lazuli. 
35. 
36. 
Light-blue Lazulite , mingled with white quartz, from Sliudanka in Siberia. 
Dark-blue Lapis Ljazidi, with pyrites dispersed over it, from Belur-Tag, at Orus in Tartary, cut as a trinket. 
