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hexagonal column

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hexagonal column [hek′sag·ə·nəl ′käl·əm]
(meteorology)
One of the many forms in which ice crystals are found in the atmosphere; this crystal habit is characterized by hexagonal cross-section in a plane perpendicular to the long direction (principal axis, optic axis, orcaxis) of the columns; it differs from that found in hexagonal platelets only in that environmental conditions have favored growth along the principal axis rather than perpendicular to that axis.


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Byline: ANI Washington, Dec 26 (ANI): Physicists at the University of Toronto (U of T) have cracked the mystery behind the strange and uncannily well-ordered hexagonal columns found at such popular tourist sites as Northern Ireland's Giant's Causeway and California's Devil's Postpile, using water, corn starch, and a heat lamp.
7 The Giant's Causeway The only World Heritage site in Northern Ireland, can you count the 37,000 hexagonal columns.
Plans being drawn up at the minute by Department officials reveal how under the "displacement option" each of the estimated 40,000 hexagonal columns would be removed before being meticulously catalogued.
 
 
 
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