208 



CHARACTERISTIC. 



CLASS II. 



X. ORDER. 



Names. 



Hardness. 



1. || LATROBITK 



2. 

 3. 

 4. 

 5. 



IT FELDSPAR. 

 PERIKLIN. 

 IT ALBITE. 

 IT FOWLERITE. 



6. 1T KYANITE. 



C. I. p. 186, 



C. I. p. 186, 

 C. I. p. 186, 

 C. I. p. 186, 

 C. I. p. 186, 



C. I. p. 188 



APPENDIX. 



IT TABULAR SPAR. 



Prismatic Jlugite-Spar. M. 



5-5, 

 6-0, 



(C 



5-0.. .7-0, 



4-0.. .5-0, 



XL ORDER. 



SECTION I. 



Names. 



1. || SULPHATO-TRI-CARBONATE 



OF LEAD. C. I. p. 188. 



2. IT SPECULAR IRON. C. I. p. 190. 



3. 1T CORUNDUM. C. I. p. 190. 



Hardness. 



2-5. 



5-5...6-5. 

 9-0. 



SECTION II. 



Names. 



Hardness. 



1. 



2. 



3. 

 4. 



RED SILVER. 



C. I. p. 190 



IT CALCAREOUS SPAR. 



C. I. p. 190 



ANKERITE. C.I. p. 190 



CARBONATE OF MAN- 

 GANESE. C.I. p. 192 



IT DOLOMITE. 



IT SPATHIC IRON. 



7. IT RHOMB SPAR. 



C.I. p. 190, 

 C.I. p. 194, 



C.I. p. 194, 



2-0...2-5. 



3-0. 

 3-5. 



4-0. 

 4-0...4-25 



4-0...4-5. 



