Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above
Cooper M A , Hawthorne F C , Roberts A C , Grice J D , Stirling J A R , Moffatt E A , American Mineralogist , 83 (1998) p.390-399, Georgeericksenite, Na6CaMg(IO3)6(CrO4)2(H2O)12, a new mineral from Oficina, Chacabuco, Chile: Description and crystal structure
Physical Properties of George-ericksenite
Cleavage:
None
Color:
Pale yellow, Bright lemon yellow.
Density:
3.035
Diaphaneity:
Transparent to translucent
Fracture:
Brittle - Generally displayed by glasses and most non-metallic minerals.
Habit:
Acicular - Occurs as needle-like crystals.
Habit:
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Hardness:
3-4 - Calcite-Fluorite
Luster:
Vitreous (Glassy)
Streak:
pale yellow
Optical Properties of George-ericksenite
Gladstone-Dale:
CI meas= 0.033 (Excellent) - where the CI = (1-KPDmeas/KC) CI calc= 0.038 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2213,KPDmeas= 0.2224,KC= 0.23 Ncalc = 1.7