 "N1a Elementary needle")
N1a
Elementary needle |
 "Hollow column")
C1f Hollow column |
 "Stellar crystal with sectorlike ends")
P2b Stellar crystal with sectorlike ends |
 "Bundle of elementary needles")
N1b Bundle of elementary needles |
 "Solid thick plate")
C1g Solid thick plate |
 "Dendritic crystal with plates at end")
P2c Dendritic crystal with plates at end |
 "Elementary sheath")
N1c Elementary sheath |
 "Thick plate of skeleton form")
C1h Thick plate of skeleton form |
 "Dendritic crystal with sectorlike ends")
P2d Dendritic crystal with sectorlike ends |
 "Bundle of elementary sheaths")
N1d Bundle of elementary sheaths |
 "Scroll")
C1i Scroll |
 "Plate with simple extensions")
P2e Plate with simple extensions |
 "Long solid column")
N1e Long solid column |
 "Combination of bullets")
C2a Combination of bullets |
 "Plate with sectorlike extensions")
P2f Plate with sectorlike extensions |
 "Combination of needles")
N2a Combination of needles |
C2b* Combination of columns
|
 "Plate with dendritic extensions")
P2g Plate with dendritic extensions |
N2b* Combination of sheaths |
 "Hexagonal plate")
P1a Hexagonal plate |
P3a* Two-branched crystal |
 "Combination of long solid columns")
N2c Combination of long solid columns |
 "Crystal with sectorlike branches")
P1b Crystal with sectorlike branches |
P3b* Three-branched crystal |
 "Pyramid")
C1a Pyramid |
 "Crystal with broad branches")
P1c Crystal with broad branches |
 "Four-branched crystal")
P3c Four-branched crystal |
 "Cup")
C1b Cup |
 "Stellar crystal")
P1d Stellar crystal |
P4a* Broad branch crystal with 12 branches |
 "Solid bullet")
C1c Solid bullet |
 "Ordinary dendritic crystal")
P1e Ordinary dendritic crystal |
P4b* Dendritic crystal with 12 branches |
 "Hollow bullet")
C1d Hollow bullet |
 "Fernlike crystal")
P1f Fernlike crystal |
 "Malformed crystal")
P5 Malformed crystal |
 "Solid Column")
C1e Solid Column |
 "Stellar crystal with plates at end")
P2a Stellar crystal with plates at end |
 "Plate with spatial plates")
P6a Plate with spatial plates |
USDA, ARS, PSI, NASA. Updated: 2006.