Cristal plan de type secteur (P1d selon la classification de Nakaya (1954) ; P1b selon la classification de Magono and Lee (1966) et P2a selon la classification de Kikuchi et al. (2013))
Snow crystal, plan, with sectorlike branches (P1d style in Nakaya classification (1954) ; P1b-type in Magono and Lee classification (1966) and P2a type in Kikuchi et al. global classification of snow crystals, ice crystals, and other solid precipitation (2013)).