Perfect after {001}, distinct after {010} and {110}
Fracture
uneven
Tenacity
Brittle
Point Group
triclinic-pinacoidal - 1
Space Group
P1 (2)
Habit
leafy, coarse, spherical, massive, tabular
Formation
As a secondary mineral through the alteration of primary phosphates in granitic pegmatites, resulting from the interaction with Ca-rich hydrothermal fluids during late magmatic stages
