Here's one I caught with *istD in 2006: http://www.alunfoto.no/galleri/displayimage.php?pos=-188 I wrote him and queried about it. While quite elusive back then, he was already on to the idea. And it's not really surprising. What doesn't appear in that article, though, is how early in the life of the crystal this priming for shape takes place. I have another pic that shows triangular growth patterns from the first one tenth of a mm. So whatever property the growing substrate has that tricks the crystal into triangular growth, it must be happening at the very conception.
Jostein 2009/12/3 Daniel J. Matyola <[email protected]>: > Elusive triangular snowflakes explained : > > http://www.sciencenews.org/view/generic/id/50212/description/Elusive_triangular_snowflakes_explained > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. > -- http://www.alunfoto.no/galleri/ http://alunfoto.blogspot.com -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
