Brittle - Generally displayed by glasses and most non-metallic minerals.
Habit:
Rosette - Bundled tabular aggregates resembling rose flower petals.
Luster:
Vitreous (Glassy)
Streak:
white to pale yellow
Optical Properties of Barahonaite-(Fe)
Gladstone-Dale:
CI meas= -0.016 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= 0.479 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1138,KPDmeas= 0.222,KC= 0.2186 Ncalc = 1.66 - 2.29