t'ABULAR VIEWS OF MINERAL SYSTEMS. 451 ' MODS’ MINERAL SYSTEM in 1804.' CLASS I.—EARTHY MINERALS. . I. Diamond family 15. Clay-slate family 2. Zircon family 16. Mica family 3. Chrysoberyl family 17- Trap family 4. Augite family 18. Lithomarge family 5. Garnet family 19. Bole family 6. Spinel family 20. Talc family 7- Hardstone (hartstein) fa- 21. Actynolite family mily 22. Limestone family 8. Schorl family 23. Brown-spar family 9. Quartz family 24. .Marl family 10. Opal family 25. Apatite family ll. Obsidian 26’. Fluor family 12. Zeolite 27. Gypsum family 13. L, Felspar family 28. Baryte family Clay family 2,9. Saltstone family CLASS II—SALINE MINERALS. 30. Family of carbonats Si. Family of nitrats S2. Family of muriate 33. Family of sulpliats CLASS III.—INFLAMMABLE MINERALS. S i. Sulphur family °5. Amber family 3(5. Coal family 37. Graphite family