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Kocman V , Gait R I , Rucklidge J C , American Mineralogist , 59 (1974) p.71-78, The crystal structure of bikitaite, Li[AlSi2O6].H2O
Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Habit:
Aggregates - Made of numerous individual crystals or clusters.
Hardness:
6 - Orthoclase
Luminescence:
Fluorescent, Short UV=butter yellow, Long UV=butter yellow.
Luster:
Vitreous (Glassy)
Streak:
white
Optical Properties of Bikitaite
Gladstone-Dale:
CI meas= -0.002 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= 0.006 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2252,KPDmeas= 0.2272,KC= 0.2266 Ncalc = 1.52