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TABULAR VIEWS OF MINERAL SYSTEMS. 457 THOMSON’S MINERAL SYSTEM in 1810. Class I—STONES. Order 1.—Earthy Stones. Families.—Diamond, Zircon, Chrysolite, Garhet, Ruby, Topaz, Schorl, Quartz, Pitchstone, Zeolite, Felspar, Clayslate, Mi ca, Trap, Lithomarge, Soapstone, Talc, Actynolite, and Ga- dolinite. Order 2.—Saline Stones. i. Genus, Calcareous Salts. 1. Family of Carbonates 4. Family of Sulphates 2. Family of Phosphates 5. Family of Borates 3. Family of FlUates * ii. Genus, Barytic Salts. Carbonate Sulphate iii. Genus, Strontian Salts. Carbonate Sulphate iv. Genus, Magnesian Salts. Sulphate Borate Carbonate v. Genus, Aluminous Salts. Class II.—SALTS. Genus i. Potash Genus iii. Ammonia ii. Soda Class III.—COMBUSTIBLES. Genus i. Sulphur Genus iii. Bitumen ii. Resin iv. Graphite CLASS
