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Konnert J A , Evans H T , McGee J J , Ericksen G E , American Mineralogist , 79 (1994) p.1003-1008, Mineralogical studies of the nitrate deposits of Chile: VII. Two saline, minerals with the composition K6(Na,K)4Na6Mg10(XO4)12(IO3)12.12H2O:, Fuenzalidaite (X=S) and carlosruizite (X=Se)
Physical Properties of Carlosruizite
Cleavage:
{110} Good
Color:
Colorless, Pale yellow.
Density:
3.42
Diaphaneity:
Transparent
Fracture:
Brittle - Generally displayed by glasses and most non-metallic minerals.
Habit:
Platy - Sheet forms (e.g. micas).
Hardness:
2.5-3 - Finger Nail-Calcite
Luster:
Vitreous (Glassy)
Streak:
white
Optical Properties of Carlosruizite
Gladstone-Dale:
CI meas= 0.04 (Good) - where the CI = (1-KPDmeas/KC) CI calc= 0.023 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.193,KPDmeas= 0.1896,KC= 0.1975 Ncalc = 1.66 - 1.68
Optical Data:
Uniaxial (-), e=1.642, w=1.655, bire=0.0130.
Calculated Properties of Carlosruizite
Electron Density:
Bulk Density (Electron Density)=3.12 gm/cc note: Specific Gravity of Carlosruizite =3.36 gm/cc.
Fermion Index:
Fermion Index = 0.01 Boson Index = 0.99
Photoelectric:
PECarlosruizite = 134.75 barns/electron U=PECarlosruizite x relectron= 420.07 barns/cc.
Radioactivity:
GRapi = 73.12 (Gamma Ray American Petroleum Institute Units)
Concentration of Carlosruizite per GRapi unit = 1.37 (%)
Estimated Radioactivity from Carlosruizite - barely detectable