Calcite from Rondout, Ulster co. 
Page 120 
l Type 1) horms. b Ul) tamdiee (Om) ; 
2 Type I]. Scalenohedral habit. Forms: 2. (0112) and D (15.4.19.3) 
3 ne IT. Rhombohedral-sealenohedral habit.” Forms: oe a (1120), 
3. (0112) and D (15.4 19.3) 
4 Type II. Rhombohedral-scalenohedral habit. Forms: 8. (0112), As (0772) 
and D (15.4.19.3) 
Type II. Scalenohedral habit twinned parallel to o (0001). Forms: 
3) O12) yand > @a& 79.3) 
6 Type II. Scalenohedral habit twinned parallel to 8. (0112). - The crystal 
is projected with its composition plane vertical and perpendicular to the 
axis II. Forms: 8. (0112) and D (15.4.19.3). 
182 
(or 
