THE CHEMICAL ARRANGEMENT. S09 



SECTION B. MIXED. 



*Ferrous & magnesic Rhomb Spar. 



Magnesic & calcic Dolomite. 



Ankerite. 

 Baric & calcic Baryto-Calcite. 



Calcic & sodic 



Hydrated Gay Lussite. 



APPENDIX TO GENUS IX. 

 (Combination of a carbonate and a chloride.) 

 Plumbic Corneous Lead. 



(Combination of a carbonate and a telluride.) 

 *Nickelic Herrerite. 



(Combination of a carbonate and a sulphate.) 

 Plumbic Lead Hillite. 



Dyoxilite. 

 *Plumbic & cupric carbonate & 



cupric sulphate Caledonile. 



(Combination of a carbonate and an arsenate.) 

 *Cupric arsenate & calcic carbonate Kupaphrite. 



Genus X. COLUMBATE. 

 *Ferrous&manganous (sometimes 



stannic) Columbite. 



*Yttric & eerie Fergusonite. 



*Yttric & calcic (or uranic) Yttro-tantalite. 



Genus XI. TITANATE. 



SECTION A. SIMPLE. 

 Calcic Pyrochlore. 



