Eastside mines in San Juan County, New Mexico. Link to MinDat.org Location Data.
Name Origin:
Named after Edward P. Henderson of the U.S. National Museum, in recognition of his mineralogical studies of the vanadium-uranium deposits of the Colorado Plateau.
Bladed - Aggregates of thin lath-like crystals (e.g. kyanite).
Habit:
Fibrous - Crystals made up of fibers.
Habit:
Microscopic Crystals - Crystals visible only with microscopes.
Hardness:
2.5 - Finger Nail
Luster:
Adamantine - Pearly
Streak:
brownish green
Optical Properties of Hendersonite
Gladstone-Dale:
CI meas= -0.166 (Poor) - where the CI = (1-KPDmeas/KC) CI calc= -0.137 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.3743,KPDmeas= 0.3837,KC= 0.3291 Ncalc = 1.91 - 1.94