Massive - Uniformly indistinguishable crystals forming large masses.
Habit:
Platy - Sheet forms (e.g. micas).
Habit:
Pseudo Hexagonal - Crystals show a hexagonal outline.
Hardness:
3-3.5 - Calcite-Copper Penny
Luster:
Vitreous (Glassy)
Streak:
light brown
Optical Properties of Caryopilite
Gladstone-Dale:
CI meas= -0.013 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= 0.05 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2064,KPDmeas= 0.2201,KC= 0.2172 Ncalc = 1.62 - 1.66