VOL. II. PLATE XVIII. 



FIG. 94. Pyramidal Lead-baryte. 



P oo. !^jip_3. p_3. 



a b c 



FIG. 95. Pyramidal Lead-baryte. 



<Lpp_3. 1^5 P_2. P_l. p. 



b d e P 



FIG. 96. Pyramidal Garnet. 



p _ OD. p _ i. p. (P )*. 



P o c a 



(P 1)*. P + 2. (P)*. (P)*. 



s b f x 



(P + 1)*. P + 4. (P + oo)*. 



e r 7t 



[(P+oo)*]. P+oo. [P+oo]. 



/ d M 



FIG. 97. Pyramidal Kouphone-spar. 



P. [P+OD]. 



P m 



FIG. 98. Pyramidal Kouphone-spar. 



P-.rp. |P 4. | P 3. *^P 3. 



o 6 c? 



P-3. P. [(P + )]. [P + OD]. 



c P r ??z 



FIG. 99. Pyramidal Zircon. 



P 1. P. (P) 5 . (P) 4 . (P) 5 . 

 t P x y z 



P+oo. [P+oo], 



I s 



