PLATE I
Frontispiece
Frontispiece
 1. DIAMOND |  2. DIAMOND (Crystal) |  3. DIAMOND |
 4. AQUAMARINE |  5. EMERALD |  6. AQUAMARINE |
 7. TOPAZ |  8. EMERALD (Crystal in matrix) |  9. TOPAZ |
 10. RUBY (Crystal) |  11. SAPPHIRE |  12. YELLOW SAPPHIRE (Oriental Topaz) |
 13. RUBY |  14. SAPPHIRE (Crystal) |  15. STAR-RUBY |
GEM-STONES
GEM-STONES
AND THEIR DISTINCTIVE CHARACTERS
BY
G. F. HERBERT SMITH
M.A., D.Sc.
OF THE BRITISH M
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