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Dick S , Gossner U , Weiss A , Robl C , Grossman G , Ohms G , Zeiske T , Inorganica Chimica Acta , 269 (1998) p.47-57, Taranakite - the mineral with the longest crystallographic axis, Locality: synthetic
Physical Properties of Taranakite
Color:
Gray white, Yellowish white, White.
Density:
2.09
Hardness:
1-2 - Between Talc and Gypsum
Luminescence:
Non-Fluorescent.
Streak:
white
Optical Properties of Taranakite
Optical Data:
NCalc= 1.5 - from Gladstone-Dale relationship (KC = 0.2332) where Ncalc=Dcalc*KC+1 NCalc= 1.49 - from Gladstone-Dale relationship (KC = 0.2332) where Ncalc=Dmeas*KC+1
Calculated Properties of Taranakite
Electron Density:
Bulk Density (Electron Density)=2.19 gm/cc note: Specific Gravity of Taranakite =2.15 gm/cc.
Fermion Index:
Fermion Index = 0.000301283 Boson Index = 0.999698717
Photoelectric:
PETaranakite = 2.09 barns/electron U=PETaranakite x relectron= 4.58 barns/cc.
Radioactivity:
GRapi = 128.51 (Gamma Ray American Petroleum Institute Units)
Concentration of Taranakite per GRapi unit = 0.78 (%)
Estimated Radioactivity from Taranakite - barely detectable