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J 
C 31 
The SYSTEM of JUST, Goettingen. 1757, 
I. METALS. 
V. PETRIFAC- 
Cha'cedony. 
l , Noble. 
TIONS. 
Onyx. 
Gold. 
I. Animals. 
Sardonyx. 
Silver. 
Terreftrial. 
Malachite. 
2. Ignoble. 
Aquatic. 
L. Lazuli. 
Copper. 
2. Plants. 
3. Ignoble. 
Iron. 
Terreftrial. 
Talc. 
Tin. 
Marine^ 
Mica. 
Lead. 
3. Obfcure. 
Molybdasna. 
Beleronite. 
Mufcovy glafs. 
II. SEMIMETALS. 
Hyfterite. 
Soap ftone. 
Qiiickfilver. 
Jews-ilone. 
Jafper. 
Antimony. 
Afteria. 
Afbeftusi 
Bifmuth. 
Toad-fti>Me. 
4. Calcareous. 
Zinc. 
Oolithe. 
Marble. 
Arfenic. 
4. bigured. 
Gypfum. 
Eagle-ftone. 
Spar. 
III. PHLOGISTIC. 
5. Cr^fials. 
5. Vitrejcent. 
I. Fluid. 
Qiiartzofe. 
Sand-rtone. 
Fitumen. 
Gypfeous. 
Qliartz. 
2. Hard. 
Spatofe. 
Silex. 
Coal, 
Schift. 
3. Mineralized. 
V. TERRENE. 
Serpentine. 
Sulphur. 
I . Noble. 
Tripoli. 
Diamond. 
Pumice-ftone. 
IV. SALTS. 
Sapphire. 
Granite. 
I. Acids. 
Emerald, 
Rock. 
Vitriol. 
Amethyft. 
Clay. 
Alum. 
Topaz. 
Marble. 
2. Alcalis. 
Turcois. 
Mud. 
Fixed. 
Opal. 
Umbre. 
Volatile. 
Chiyfolith. 
3. Intermediate. 
Hyacinth. 
Muria. \ 
2. Seminoble. 
Nitre. 
Cryftal. 
Borax. 
Carneleon. 
Ammoniac. . 
Agate. 
He confiders Cobalt as a fpecies of Arfenic. 
