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Books Bücher 1 - 4 von 4 in The only two faces that could be identified were the base c (0001) and the rhombohedron...
" The only two faces that could be identified were the base c (0001) and the rhombohedron x (3032) which is a new face for corundum. On one crystal two very small faces were observed which were too small to be measured with the contact goniometer, but were... "
The Occurrence and Distribution of Corundum in the United States, - Seite 53
von Joseph Hyde Pratt - 1901 - 98 Seiten
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The American Journal of Science

1897
...this locality. The only two faces that could be identified were the base c(0001) and the rhombohedron #(3032) which is a new face for corundum. On one crystal,...varied from 66° to 68°, but approximated closely to (57°, which agrees very well with the calculated value, 67° 3', for 0001/^3032. The crystals are...
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The American Journal of Science, Bände 152-153

1897
...locality. The only two faces that could be identified were the base c(0001) and the rhombohedron ar(3032) which is a new face for corundum. On one crystal,...varied from 66° to 68°, but approximated closely to H7°, which agrees very well with the calculated value, 67° 3', for 0001 ^ 3032. The crystals are...
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Geology of the Little Belt Mountains, Montana: With Notes on the Mineral ...

Walter Harvey Weed, Louis Valentine Pirsson - 1900 - 339 Seiten
...any of the crystals from this locality. The only two faces that conld be identified were the base с (0001) and the rhombohedron x (3032), which is a new...two very small faces were observed, which were too smail to be measured with the contact goniometer, bnt were probably the faces of a pyramid of the second...
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Bulletin, Ausgaben 267-273

1905
...faces. The only two faces that could be identified were the base c (0001) and the rhombohedron x (30&2), which is a new face for corundum. On one crystal two...ten or more independent measurements were made of e/\.r. These varied from (SO0 to (18°, but « Kunz, (!. K., Am. Jour. Sol.. 4th scr., vol. 4, 1S97,...
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