A popular guide to minerals : with chapters on the Bement Collection of minerals in the American Museum of Natural History, and the development of mineralogy . Fig. 145 Fig. 146 Fig. 147 Fig. 146 P = left hemi prism; u =: right hemi prism; r = up-per left tetartohedral pyramid; x = upper right tetartohedral pyr-amid; 8= upper macrohemidome (axinite). Fig. 147 M and T = left and right hemiprism; 1 := left macro- Fig. 148 12 Fig. 149 ift Zfk k ^j -- / ? X V Fig. 150. Fig. 151

---

Size: 1402px × 1782px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1910, booksubjectmineral, bookyear1912