ORDER II. GENERA AND SPECIES. 411 



H. = 4-0 ... 4-5. 

 G. = 3-0 ... 3-2. 



Breunnerite. ii. Of?. 



4. PARATOMOUS. Rhombohedral. II = 106' 12'. 

 Cleavage, R. 

 H. = 3-5 ... 4-0. 

 G. = 2-95 ... 3-1. 



Ankerite. ii. 100. 



Childrenite ? iii. 85. 



Flucllite. iii. 101. 



Hopette. iii. 109. 



Magnesite. iii. 121. 



Pharmacolite? iii. 135. 



Rosclite. iii. 147. 



Wavellitc. iii. 169. 



II. ORDER. BARYTE. 



I. PARACHROSE-BARYTE. Rhombohedral. 

 Cleavage paratomous. 

 H. = 3-5 ...4-5. 

 G. =3-3 ... 3-9. 



1. BRACK YTYPOUS. Rhombohedral. R = 107 0'. 



Cleavage, R. 

 H. = 3-5 ... 4-5. 

 G. = 3-6 ... 3-9. 



Rhomboidal Sparry Iron. J. ii. 101. 



2. MACROTYPOUS. Rhombohedral. R = 106 51'. 



Cleavage, R. 



H. = 3-5. 



G. = 3-3 ... 3-6. 



Rhomboidal Red Manganese, J. ii. 10G. 



