rhombohedron

How To Use rhombohedron In A Sentence

• Perhaps the best rhodochrosite specimen from this mining period, a lustrous, translucent red rhombohedron about 4 inches on edge, is now on exhibit in the Coors Mineral Hall of the Denver Museum of Natural History.
• Owing to the strong double refraction and the consequent wide separation of the two polarized rays of light traversing the crystal, an object viewed through a cleavage rhombohedron of Iceland-spar is seen double, hence the name doubly-refracting spar. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary"
• The crystal of prismatic habit shown in fig. 4 is a combination of the prism m {2-1-1} and the rhombohedron e {110}; fig. 5 is a combination of the scalenohedron v {20-1} and the rhombohedron Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary"
• At most locations in the Deccan Traps, the primary form for calcite is the rhombohedron.
• Colorless and transparent as well as white scalenohedra of a first generation are rarely overgrown by a second-generation rhombohedron and are twinned on { 0001 }.
• Faceted stones weighing 25.56 and 61.24 carats along with a rhombohedron of rhodochrosite on matrix are illustrated and discussed by Sinkankas.