CI meas= 0.007 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= 0.013 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1848,KPDmeas= 0.1859,KC= 0.1873 Ncalc = 1.5
Bulk Density (Electron Density)=2.63 gm/cc note: Specific Gravity of Arcanite =2.66 gm/cc.
Fermion Index:
Fermion Index = 0.001610221 Boson Index = 0.998389779
Photoelectric:
PEArcanite = 5.60 barns/electron U=PEArcanite x relectron= 14.73 barns/cc.
Radioactivity:
GRapi = 639.08 (Gamma Ray American Petroleum Institute Units)
Concentration of Arcanite per GRapi unit =1,564.75 (PPM)
Estimated Radioactivity from Arcanite - mild
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 / 8.95 cm
13,597
3.67E-07
639.08
0.21
100 gm / 4.15 cm
1,360
3.67E-08
63.91
0.02
10 gm / 1.93 cm
136
3.67E-09
6.39
0.00
1 gm / 8.95 mm
14
3.67E-10
0.64
0.00
0.1 gm / 4.15 mm
1
3.67E-11
0.06
0.00
0.01 gm / 1.93 mm
0
3.67E-12
0.01
0.00
0.001 gm / 0.90 mm
0
3.67E-13
0.00
0.00
Weight of pure Arcanite in grams (gm) and Calculated Diameter of a Sphere with a Density of 2.66 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
Chemical Formula: 
- mild