. Bulletin - United States National Museum. Science. THE MINERALS OP IDAHO 335 them, when removed from the inclosing quartz, are suitable for measurement on the reflecting goniometer. Only the prismatic zone is represented, these embedded crystals, so far as observed, being unterminated by crystal faces. The most common habits of the embedded crystals are like the prism zones of Figures 97 to 100, although all the forms observed in this zone on the terminated crystals were also found on the embedded crystals. The crystals are often or m 7)1 Stfltfl 97 98. s tfiavls. Please note that these imag
. Bulletin - United States National Museum. Science. THE MINERALS OP IDAHO 335 them, when removed from the inclosing quartz, are suitable for measurement on the reflecting goniometer. Only the prismatic zone is represented, these embedded crystals, so far as observed, being unterminated by crystal faces. The most common habits of the embedded crystals are like the prism zones of Figures 97 to 100, although all the forms observed in this zone on the terminated crystals were also found on the embedded crystals. The crystals are often or m 7)1 Stfltfl 97 98. s tfiavls. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.
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