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. 338 Fig- 339 Fig. 340 Fig. 341. Fig. 342 Fig. 343 Fig. 344 PIRATE 18 Fig. 345 345), sometimes called pyritohedrons. Examples of these formsare always seen from the Island of Elba and Traversella, Italy,Colorado and Nevada, while the more rare octahedrons are cap-itally exemplified in specimens from Elba, along with truncatedcubes from the same locality, and in sharp, splendent crystalsfrom French Creek, Pa. Balls of concretionary p
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. 338 Fig- 339 Fig. 340 Fig. 341. Fig. 342 Fig. 343 Fig. 344 PIRATE 18 Fig. 345 345), sometimes called pyritohedrons. Examples of these formsare always seen from the Island of Elba and Traversella, Italy,Colorado and Nevada, while the more rare octahedrons are cap-itally exemplified in specimens from Elba, along with truncatedcubes from the same locality, and in sharp, splendent crystalsfrom French Creek, Pa. Balls of concretionary pyrite from Jack-sonville, Fla., are noteworthy, wherein the crowded cubes displaytheir edges on the spherical surface in irregular projections.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectmineral, bookyear1912