Aggregates - Made of numerous individual crystals or clusters.
Habit:
Globular - Spherical, or nearly so, rounded forms (e.g. wavellite).
Luminescence:
Fluorescent and phosphorescent, Short UV=gray blue, Long UV=light blue.
Luster:
Pearly
Streak:
white
Optical Properties of Dypingite
Gladstone-Dale:
CI meas= -0.011 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= -0.236 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2905,KPDmeas= 0.2378,KC= 0.2351 Ncalc = 1.41 - 1.51