Cristal plan de type dendrite (P1f selon la classification de Nakaya (1954) ; P1e selon la classification de Magono and Lee (1966) ; P3b selon classification de Kikuchi et al. (2013)).
Snow crystal, plan, dendritique-type crystal (P1f-type in Nakaya classification (1954) ; P1e-type in Magono and Lee classification (1966) and P3a-type in Kikuchi et al. global classification of snow crystals, ice crystals, and other solid precipitation (2013).