CI meas= -0.008 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= 0.148 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1456,KPDmeas= 0.1722,KC= 0.1709 Ncalc = 1.67 - 1.8
Optical Data:
Uniaxial (+), w=1.654, e=1.703, bire=0.0490.
Calculated Properties of Rhabdophane-(La)
Electron Density:
Bulk Density (Electron Density)=3.57 gm/cc note: Specific Gravity of Rhabdophane-(La) =3.94 gm/cc.
Fermion Index:
Fermion Index = 0.000525238 Boson Index = 0.999474762
Photoelectric:
PERhabdophane-(La) = 267.44 barns/electron U=PERhabdophane-(La) x relectron= 954.71 barns/cc.
Radioactivity:
GRapi = 53,346.69 (Gamma Ray American Petroleum Institute Units)
Concentration of Rhabdophane-(La) per GRapi unit = 18.75 (PPM)
Rhabdophane-(La) is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram.
Estimated Maximum U.S. Postal Shipping Size
(10 mRem/hr limit, Unshielded 10 cm box)
570.17 ±142.54 grams of pure Rhabdophane-(La) .
Estimated Radioactivity from Rhabdophane-(La) - weak
Specimen Size Weight/Volume (Sphere) *
Calculated Activity Bequerols (Bq)
Calculated Activity Curies (Ci)
Estimated Activity GR(api)
Estimated Exposure (mRem**)/hr If Held in Hand For One Hour
1000 gm / 7.86 cm
1,236,449
3.34E-05
53,346.69
17.54
100 gm / 3.65 cm
123,645
3.34E-06
5,334.67
1.75
10 gm / 1.69 cm
12,364
3.34E-07
533.47
0.18
1 gm / 7.86 mm
1,236
3.34E-08
53.35
0.02
0.1 gm / 3.65 mm
124
3.34E-09
5.33
0.00
0.01 gm / 1.69 mm
12
3.34E-10
0.53
0.00
0.001 gm / 0.79 mm
1
3.34E-11
0.05
0.00
Weight of pure Rhabdophane-(La) in grams (gm) and Calculated Diameter of a Sphere with a Density of 3.94 gm/cc.*
Goverment Estimate of Average Annual Exposure (
360 mRem)
** Note: 10 microsieverts/hr = 1 mRem/hr **
Max Permissable Adult Dose 50,000 mRem/yr (hands), 15,000 mRem/yr (eyes)
Lethal Dose LD(50) Exposure 400,000 to 500,000 mRem
Estimated Thorium Activity ( 2.76 % Th) From Sum REE Elements (55.20 % REE)
Chemical Formula: 
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- weak