ga Calcite from Lyon Moiintain, type IV, rhombohedral habit 

 with pyramidal modifications. Orthographic projection 

 showing forms: r (2243), T (8-8-i6.3), A (0443) and v 



(2131) 

 9b CHnographic projection of same 



loa Calcite from Lyon Mountain, type IV. CHnographic projec- 

 tion showing an element of the compound crystal figured in 

 lob-ioc. Forms: tt (1123), r_(2243), 7 (8.8.16.3), A (o443). 

 V (2131)./* (5491), ~lt: (14-12.26.5) andq; (2461) 



lob Calcite -from Lyon Mountain, type IV. Orthographic projec- 

 tion showing a compound crystal consisting of the elements 

 shown in loa symmetrically disposed in parallel position on 

 a rhombohedron r (10 11) of a previous generation 



IOC CHnographic projection of same 



iia Calcite from L^ion Mountain, type V. Orthographic projec- 

 tion showing forms : r (2243), oc (4483), I (0445) A (0443), 

 / (0221), A. (07722, X (o.ii.ii.i), V (2131), R; (8.4.^J.i), q : 

 (246i)andci (3471) 



lib CHnographic projection of same 



