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Christiansen C C , Johnsen O , Makovicky E , The Canadian Mineralogist , 41 (2003) p.1203-1224, Crystal chemistry of the rosenbuschite group, Sample: 1993.158
Physical Properties of Seidozerite
Cleavage:
{001} Perfect
Color:
Brownish red, Reddish yellow.
Density:
3.472
Diaphaneity:
Translucent
Fracture:
Brittle - Generally displayed by glasses and most non-metallic minerals.
Habit:
Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)
Hardness:
4-5 - Fluorite-Apatite
Luster:
Vitreous (Glassy)
Optical Properties of Seidozerite
Gladstone-Dale:
CI meas= 0.021 (Excellent) - where the CI = (1-KPDmeas/KC) CI calc= 0.026 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2209,KPDmeas= 0.2221,KC= 0.2269 Ncalc = 1.79