Contents: Foreword. Preface. I. Minerals: Introduction. Processing of minerals: 1. Arsenic. 2. Gold. 3. Iron pyrite. 4. Mercury. 5. Mica. 6. Silver. 7. Sulphur. 8. Tin. 9. Zinc. II. Gems: Introduction: 1. Cat's eye or Chrysoberyl. 2. Diamond. 3. Emerald. 4. Flourspar or fluorite. 5. Garnet or hessonite or agate. 6. Glass beads. 7. Moonstone of feldspar or Felspar. 8. Ruby. 9. Sapphire. 10. Serpentine. 11. Sunstone or Belas Ruby or Spinal Ruby or Lens. 12. Topaz. 13. Tourmaline, Peridote. 14. Turquoise. References for gems. III. Animal products: Introduction. Terrestrial animals. 1. Butter. 2. Butter oil. 3. Castoreum. 4. Civet cat. 5. Egg. 6. Fat. 7. Flesh. 8. Honey. 9. Horns. 10. Lac or shell lac. 11. Lizard. 12. Milk. 13. Musk. 14. Mutilla occidentalis. 15. Urine. 16. Yogurt. Marine Animals: 17. Ambergris. 18. Cowrie. 19. Pearl. 20. Red coral. IV. Miscellaneous: 1. Shalajit. 2. Water. Glossary. Index.
