Samples Include:
IGNEOUS ROCKS
1. Syenite-CO
2. Granite-CO
3. Pegmatite-CO
4. Andesite-CO
5. Tuff-CO
6. Dacite-CO
7. Diorite-CO
8. Rhyolite-CO
9. Pumice-CA
10. Carbonatite-QUE
11. Breccia-CO
12. Obsidian-UT
13. Monzonite-CO
14. Vitrophyre-CO
15. Vesicular Basalt-CO
16. Monzonite Porphyritic-CO
17. Basalt-CO
18. Granodiorite-CO
19. Gabbro-WY
20. Anorthosite-WY
21. Scoria-CO
22. Trachyte-CO

SEDIMENTARY ROCKS
23. Coquina-TX
24. Conglomerate- CO
25. Siltstone-CO
26. Sandstone-CO
27. Rock Salt-UT
28. Oil Shale-CO
29. Limestone-CO
30. Fossiliferous Limestone-TX
31. Bituminous Coal-WY
32. Arkose-CO
33. Gypsum-CO
34. Shale-CO
35. Breccia-CO
36. Calcareous Tufa-SD
37. Dolomite-CO
38. Sandstone-banded-WY

METAMORPHIC ROCKS
39. Gneiss-CO
40. Slate-VT
41. Hornfels-WY
42. Mica Schist-WY
43. Garnet Schist-SD
44. Amphibolite-CO
45. Serpentinite-WY
46. Quartzite -WY
47. Phyllite-SD
48. Anthracite Coal-PA
49. Marble-WY
50. Chlorite Schist-CO