Long pages

Showing below up to 100 results in range #1 to #100.

View (previous 100 | next 100) (20 | 50 | 100 | 250 | 500)

1. (hist) ‎Faceting Designs ‎[151,399 bytes]
2. (hist) ‎Refractometer ‎[54,784 bytes]
3. (hist) ‎Origin determination ‎[41,989 bytes]
4. (hist) ‎Polariscope ‎[32,685 bytes]
5. (hist) ‎Causes of color ‎[25,676 bytes]
6. (hist) ‎Luminescence ‎[22,983 bytes]
7. (hist) ‎Course:Refractometer ‎[19,815 bytes]
8. (hist) ‎Diamond ‎[18,756 bytes]
9. (hist) ‎Amber ‎[18,083 bytes]
10. (hist) ‎Opal ‎[17,948 bytes]
11. (hist) ‎Garnet ‎[17,317 bytes]
12. (hist) ‎Glossary of Terms ‎[17,239 bytes]
13. (hist) ‎Pearl ‎[16,313 bytes]
14. (hist) ‎Gemstone Treatments and Enhancements ‎[15,437 bytes]
15. (hist) ‎Heat Treatment ‎[14,250 bytes]
16. (hist) ‎Spinel ‎[14,009 bytes]
17. (hist) ‎Sapphire ‎[11,330 bytes]
18. (hist) ‎Course:Total internal reflection ‎[11,160 bytes]
19. (hist) ‎Ruby ‎[10,696 bytes]
20. (hist) ‎Origins of minerals ‎[10,679 bytes]
21. (hist) ‎Math ‎[10,362 bytes]
22. (hist) ‎Faceting ‎[10,079 bytes]
23. (hist) ‎Introduction to Gemology ‎[9,870 bytes]
24. (hist) ‎Easy Combination cutting MV ‎[9,866 bytes]
25. (hist) ‎Tourmaline ‎[9,758 bytes]
26. (hist) ‎Refraction ‎[9,718 bytes]
27. (hist) ‎Specific Gravity ‎[9,519 bytes]
28. (hist) ‎The Chemistry of Gemstones ‎[9,412 bytes]
29. (hist) ‎Essays:Adding arrows ‎[9,190 bytes]
30. (hist) ‎Color Filters ‎[8,998 bytes]
31. (hist) ‎Immersion cell ‎[8,890 bytes]
32. (hist) ‎Emerald ‎[8,817 bytes]
33. (hist) ‎Coding Help ‎[8,815 bytes]
34. (hist) ‎Images:Inclusions ‎[8,807 bytes]
35. (hist) ‎Sitesupport-url ‎[8,747 bytes]
36. (hist) ‎Hydrostatic Balance ‎[8,744 bytes]
37. (hist) ‎Nephrite ‎[8,416 bytes]
38. (hist) ‎Jadeite ‎[8,392 bytes]
39. (hist) ‎Zircon ‎[8,257 bytes]
40. (hist) ‎Polarization ‎[8,094 bytes]
41. (hist) ‎Course:Refraction ‎[8,047 bytes]
42. (hist) ‎10x Loupe ‎[8,043 bytes]
43. (hist) ‎Table Of Contents ‎[7,707 bytes]
44. (hist) ‎Images:Tourmaline ‎[7,665 bytes]
45. (hist) ‎Color ‎[7,177 bytes]
46. (hist) ‎Symmetry ‎[6,301 bytes]
47. (hist) ‎Vesuvianite ‎[6,291 bytes]
48. (hist) ‎Heavy Liquids ‎[6,254 bytes]
49. (hist) ‎Spectroscope ‎[6,086 bytes]
50. (hist) ‎Tanzanite ‎[6,073 bytes]
51. (hist) ‎James Nelson ‎[6,014 bytes]
52. (hist) ‎Dichroscope ‎[5,954 bytes]
53. (hist) ‎Microscope ‎[5,922 bytes]
54. (hist) ‎Double Refraction ‎[5,908 bytes]
55. (hist) ‎Isomorphous replacement ‎[5,802 bytes]
56. (hist) ‎Chrysoberyl ‎[5,711 bytes]
57. (hist) ‎Maw-sit-sit ‎[5,692 bytes]
58. (hist) ‎Hiddenite ‎[5,642 bytes]
59. (hist) ‎Sheen ‎[5,594 bytes]
60. (hist) ‎Course:Polarization ‎[5,484 bytes]
61. (hist) ‎Elbaite variety "Laurellite" ‎[5,320 bytes]
62. (hist) ‎Brilliance ‎[5,134 bytes]
63. (hist) ‎Dispersion ‎[5,125 bytes]
64. (hist) ‎The Chemical Classification of Gems & Minerals ‎[5,019 bytes]
65. (hist) ‎Sillimanite ‎[4,824 bytes]
66. (hist) ‎Willemite ‎[4,667 bytes]
67. (hist) ‎Skull crucible ‎[4,625 bytes]
68. (hist) ‎Faceting Design Competition Diagrams ‎[4,590 bytes]
69. (hist) ‎Inclusions:Sapphire ‎[4,585 bytes]
70. (hist) ‎Serendibite ‎[4,538 bytes]
71. (hist) ‎Idocrase ‎[4,451 bytes]
72. (hist) ‎Nature of light ‎[4,383 bytes]
73. (hist) ‎Course:Optical properties ‎[4,378 bytes]
74. (hist) ‎Kyanite ‎[4,246 bytes]
75. (hist) ‎Topaz ‎[4,205 bytes]
76. (hist) ‎Aquamarine ‎[4,189 bytes]
77. (hist) ‎Color grading ‎[4,174 bytes]
78. (hist) ‎Amethyst ‎[4,172 bytes]
79. (hist) ‎Apatite ‎[4,161 bytes]
80. (hist) ‎Sea of Cortez pearl ‎[4,024 bytes]
81. (hist) ‎Home ‎[3,936 bytes]
82. (hist) ‎Synthetic moissanite ‎[3,921 bytes]
83. (hist) ‎Hardness ‎[3,872 bytes]
84. (hist) ‎Crystallography ‎[3,782 bytes]
85. (hist) ‎Cleavage ‎[3,756 bytes]
86. (hist) ‎Spodumene ‎[3,737 bytes]
87. (hist) ‎Coral ‎[3,733 bytes]
88. (hist) ‎Synthetic forsterite ‎[3,690 bytes]
89. (hist) ‎Pectolite ‎[3,669 bytes]
90. (hist) ‎Main ‎[3,656 bytes]
91. (hist) ‎Lapiz Lazuli ‎[3,649 bytes]
92. (hist) ‎Alphabetic list by gemstone name ‎[3,643 bytes]
93. (hist) ‎Quartz ‎[3,635 bytes]
94. (hist) ‎Diaspore ‎[3,622 bytes]
95. (hist) ‎Synthetic cubic zirconia ‎[3,618 bytes]
96. (hist) ‎Poudretteite ‎[3,570 bytes]
97. (hist) ‎Sphene ‎[3,538 bytes]
98. (hist) ‎Advanced Testing Tools ‎[3,517 bytes]
99. (hist) ‎Flame fusion ‎[3,517 bytes]
100. (hist) ‎Reflection ‎[3,477 bytes]

View (previous 100 | next 100) (20 | 50 | 100 | 250 | 500)