Mineralogy Database

Kamitugaite Mineral Data

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General Kamitugaite Information

Help on Chemical  Formula: Chemical Formula: PbAl(UO2)5(PO4)2(OH)9•9.5(H2O)
Help on Composition: Composition: Molecular Weight = 2,098.47 gm
   Uranium     56.71 %  U    64.34 % UO2
   Aluminum     1.29 %  Al    2.43 % Al2O3
   Phosphorus   2.95 %  P     6.76 % P2O5
   Hydrogen     1.34 %  H    12.02 % H2O
   Lead         9.87 %  Pb   10.64 % PbO
   Oxygen      27.83 %  O
              ______        ______ 
              100.00 %       96.19 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: PbAl(UO2)5(PO4)2(OH)9•9.5(H2O)
Help on IMA Status: IMA Status: Approved IMA 1984
Help on Locality: Locality: Kobokobo, Kivu, Zaire. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the mining district at the locality.
Help on Name Pronunciation: Name Pronunciation: Kamitugaite + Pronunciation Say KAMITUGAITE
 

Kamitugaite Image

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  Kamitugaite

Comments: Yellow crystalline kamitugaite on matrix.
Location: Kobokobo pegmatite, Lusungu River District, Sud-Kivu, Democratic Republic of Congo (Zaïre). Scale: Picture Size 0.7 cm.
© Jeff Weissman / Photographic Guide to Mineral Species

Kamitugaite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.6879:1:0.5681
Help on Cell Dimensions: Cell Dimensions: a = 10.98, b = 15.96, c = 9.068, Z = 2; alpha = 95.1°, beta = 96.1°, gamma = 80° V = 1,549.92 Den(Calc)= 4.50
Help on Crystal System: Crystal System: Triclinic Space Group: P1,P 1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 7.95(1), 3.972(0.8), 3.271(0.4),
 

Physical Properties of Kamitugaite

Help on Cleavage: Cleavage: {010} Perfect, {001} Perfect
Help on Color: Color: Yellow.
Help on Density: Density: 4.03
Help on Diaphaneity: Diaphaneity: Transparent
Help on Habit: Habit: Platy - Sheet forms (e.g. micas).
Help on Hardness: Hardness: 2-3 - Gypsum-Calcite
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Streak: Streak: yellow white
 

Optical Properties of Kamitugaite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.323 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.188 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1624,KPDmeas= 0.181,KC= 0.1368
Ncalc = 1.55 - 1.61
Help on Optical Data: Optical Data: Biaxial (-), a=1.709, b=1.735, g=1.744, bire=0.0350, 2V(Calc)=60, 2V(Meas)=60.
Help on Pleochroism (x): Pleochroism (x): light yellow.
Help on Pleochroism (y): Pleochroism (y): light yellow.
Help on Pleochroism (z): Pleochroism (z): yellowish green.
 

Calculated Properties of Kamitugaite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.87 gm/cc
note: Specific Gravity of Kamitugaite =4.49 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PEKamitugaite =1,667.76 barns/electron
U=PEKamitugaite x relectron=6,458.85 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 4,169,700.18 (Gamma Ray American Petroleum Institute Units)
Concentration of Kamitugaite per GRapi unit = 239.83 (PPB)

Kamitugaite 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) 7.29 ± 1.82 grams of pure Kamitugaite .
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 729.47 ±182.37 grams of pure Kamitugaite .

Estimated Radioactivity from Kamitugaite - very strong
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 / 7.52 cm 101,519,422 2.74E-03 4,169,700.18 1,370.86
100 gm / 3.49 cm 10,151,942 2.74E-04 416,970.02 137.09
10 gm / 1.62 cm 1,015,194 2.74E-05 41,697.00 13.71
1 gm / 7.52 mm 101,519 2.74E-06 4,169.70 1.37
0.1 gm / 3.49 mm 10,152 2.74E-07 416.97 0.14
0.01 gm / 1.62 mm 1,015 2.74E-08 41.70 0.01
0.001 gm / 0.75 mm 102 2.74E-09 4.17 0.00

Weight of pure Kamitugaite in grams (gm) and Calculated Diameter of a Sphere with a Density of 4.49 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
 

Kamitugaite Classification

Help on  Dana Class: Dana Class: 42.13.11.01 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
  (42.13)Dana Type
  (42.13.11)Dana Group
 
42.13.11.01 Kamitugaite PbAl(UO2)5(PO4)2(OH)9•9.5(H2O) P1,P 1 Tri
Help on  Strunz Class: Strunz Class: 08.ED.15 08 - PHOSPHATES, ARSENATES, VANADATES
  08.E - Uranyl Phosphates and Arsenates
  08.ED -Unclassified
 
08.ED.15 Kamitugaite PbAl(UO2)5(PO4)2(OH)9•9.5(H2O) P1,P 1 Tri
 

Other Kamitugaite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Kamitugaite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (MinSocAm)
7 - Handbook of Mineralogy (UofA)
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info
13 - Uranium Minerals

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Kamitugaite

PbAl(UO2)5(PO4)2(OH)9•9.5(H2O)
Dana No: 42.13.11.01 Strunz No: 08.ED.15
Locality:

 

Notes:

 

 
   
 


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