Occurs in voids in massive scorodite and acid mine drainage.
IMA Status:
Approved IMA 1992
Locality:
Found on waste dumps of the former gold and arsenic mines in the Gold Hill district, western Tooele County, Utah, USA. Link to MinDat.org Location Data.
Bladed - Aggregates of thin lath-like crystals (e.g. kyanite).
Habit:
Encrustations - Forms crust-like aggregates on matrix.
Habit:
Powdery - Forms a loose, poorly-coherent pulverulent mass.
Hardness:
3 - Calcite
Luster:
Greasy (Oily)
Streak:
orange
Optical Properties of Tooeleite
Gladstone-Dale:
CI meas= 0.035 (Excellent) - where the CI = (1-KPDmeas/KC) CI calc= 0.008 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.246,KPDmeas= 0.2391,KC= 0.2478 Ncalc = 2.02 - 2.05
Optical Data:
Biaxial (-), a=1.94, b=2.04-2.05, g=2.05-2.06, bire=0.1100-0.1200, 2V(Calc)=32, 2V(Meas)=small. Dispersion r > v slight.
Pleochroism (x):
lemon yellow.
Pleochroism (y):
orange.
Pleochroism (z):
lemon yellow.
Calculated Properties of Tooeleite
Electron Density:
Bulk Density (Electron Density)=3.95 gm/cc note: Specific Gravity of Tooeleite =4.12 gm/cc.
Fermion Index:
Fermion Index = 0.0068969259 Boson Index = 0.9931030741
Photoelectric:
PETooeleite = 26.59 barns/electron U=PETooeleite x rElectron Density= 105.15 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Tooeleite is Not Radioactive
Tooeleite Classification
Dana Class:
42.12.05.01(42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
Chemical Formula: 
