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EXPLANATION OF THE PLATES.

FRONTISPIECE.

COLORED STONES.

  1. Sapphire.
  2. Oriental Ruby.
  3. Oriental....... Amethyst.
  4. Oriental....... Topaz.
  5. Asteria.
  6. Chrysoberyl.
  7. Spinelle Ruby.
  8. Emerald.
  9. Topaz.
  10. Aquamarine.
  11. Amethyst.
  12. A Doublet.
  13. Turquois.
  14. Chrysoprase.
  15. Garnet.
  16. Sardoine.
  17. Onyx.
  18. Oriental Agate.

PECULIAR DIAMONDS.

  1. Regent Diamond.
  2. Pigot ditto.
  3. Austrian ditto.
  4. Blue ditto.
  5. Profile of ditto.
  6. Nassuc ditto.
  7. Grand Russian ditto.
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