Mineralogy Database

Trogerite Mineral Data

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General Trogerite Information

Help on Chemical  Formula: Chemical Formula: H2(UO2)2(AsO4)2•8(H2O)
Help on Composition: Composition: Molecular Weight = 964.03 gm
   Uranium   49.38 %  U    56.02 % UO2
   Arsenic   15.54 %  As   23.84 % As2O5
   Hydrogen   1.88 %  H    16.82 % H2O
   Oxygen    33.19 %  O
            ______        ______ 
            100.00 %       96.68 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: H2(UO2)2(AsO4)2•8(H2O)
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1871
Help on Locality: Locality: Walpurgis vein of the Weisser Hirsch mine, Neustadtl, Schneeberg, Saxony, Germany Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for R. Troger, mining offical at Schneeberg, Germany.
Help on Name Pronunciation: Name Pronunciation: Trogerite + Pronunciation Say TROGERITE
Help on Synonym: Synonym: Troegerite
 

Trogerite Image

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  Trogerite   Metazeunerite

Comments: Yellow crystals of trögerite with green metazeunerite.
Location: Walpurgis Flats, Weißer Hirsch Mine, Neustädtel, Schneeberg District, Erzgebirge, Saxony, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Trogerite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:1.22905
Help on Cell Dimensions: Cell Dimensions: a = 7.16, c = 8.8, Z = 1; V = 451.14 Den(Calc)= 3.55
Help on Crystal System: Crystal System: Tetragonal - Ditetragonal Dipyramidal H-M Symbol (4/m 2/m 2/m) Space Group: P 4/mmm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 8.59(1), 3.79(0.9), 3.3(0.8),
 

Physical Properties of Trogerite

Help on Cleavage: Cleavage: {001} Perfect, {100} Good
Help on Color: Color: Yellow.
Help on Density: Density: 3.55
Help on Diaphaneity: Diaphaneity: Transparent
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Habit: Habit: Striated - Parallel lines on crystal surface or cleavage face.
Help on Hardness: Hardness: 2-3 - Gypsum-Calcite
Help on Luminescence: Luminescence: Fluorescent, Short UV=lemon-yellow, Long UV=lemon-yellow.
Help on Luster: Luster: Vitreous - Pearly
 

Optical Properties of Trogerite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.127 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.127 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1711,KPDmeas= 0.1711,KC= 0.1518
Ncalc = 1.54
Help on Optical Data: Optical Data: Uniaxial (-), e=1.585, w=1.63, bire=0.0450.
 

Calculated Properties of Trogerite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.15 gm/cc
note: Specific Gravity of Trogerite =3.55 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0037176485
Boson Index = 0.9962823515
Help on Photoelectric: Photoelectric: PETrogerite =1,273.14 barns/electron
U=PETrogerite x relectron=4,013.16 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 3,737,527.18 (Gamma Ray American Petroleum Institute Units)
Concentration of Trogerite per GRapi unit = 267.56 (PPB)

Trogerite 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) 8.14 ± 2.03 grams of pure Trogerite .
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 813.82 ±203.45 grams of pure Trogerite .

Estimated Radioactivity from Trogerite - 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 / 8.13 cm 88,393,698 2.39E-03 3,737,527.18 1,228.78
100 gm / 3.78 cm 8,839,370 2.39E-04 373,752.72 122.88
10 gm / 1.75 cm 883,937 2.39E-05 37,375.27 12.29
1 gm / 8.13 mm 88,394 2.39E-06 3,737.53 1.23
0.1 gm / 3.78 mm 8,839 2.39E-07 373.75 0.12
0.01 gm / 1.75 mm 884 2.39E-08 37.38 0.01
0.001 gm / 0.81 mm 88 2.39E-09 3.74 0.00

Weight of pure Trogerite in grams (gm) and Calculated Diameter of a Sphere with a Density of 3.55 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
 

Trogerite Classification

Help on  Dana Class: Dana Class: 40.02a.20.01 (40)Hydrated Phosphates, etc
  (40.02a)where A++ (B++)2 (XO4) � x(H2O), containing (UO2)++
  (40.02a.20)Dana Group
 
40.02a.20.01 Trogerite H2(UO2)2(AsO4)2•8(H2O) P 4/mmm 4/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 08.EB.15 08 - PHOSPHATES, ARSENATES, VANADATES
  08.E - Uranyl Phosphates and Arsenates
  08.EB -UO2:RO4 = 1:1
 
08.EB.15 Abernathyite K(UO2)(AsO4)•4(H2O) P 4/ncc 4/m 2/m 2/m
 
08.EB.15 Chernikovite (H3O)2(UO2)2(PO4)2•6(H2O) P 4/nmm 4/m 2/m 2/m
 
08.EB.15 Meta-ankoleite K2(UO2)2(PO4)2•6(H2O) P 4/nmm 4/m 2/m 2/m
 
08.EB.15 Natrouranospinite (Na2,Ca)(UO2)2(AsO4)2•5(H2O) P 4/nmm 4/m 2/m 2/m
 
08.EB.15 Uramphite (NH4)(UO2)(PO4)•3(H2O) P 4/nmm 4/m 2/m 2/m
 
08.EB.15 Trogerite H2(UO2)2(AsO4)2•8(H2O) P 4/mmm 4/m 2/m 2/m
 
08.EB.15 Uramarsite! (NH4,H3O)2(UO2)2(AsO4,PO4)2•6H2O P 4/mmm 4/m 2/m 2/m
 

Other Trogerite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Collectors Book of Fluorescent Minerals) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Trogerite :
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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Print or Cut-and-Paste your Trogerite Specimen Label here :

Trogerite

H2(UO2)2(AsO4)2•8(H2O)
Dana No: 40.02a.20.01 Strunz No: 08.EB.15
Locality:

 

Notes:

 

 
   
 


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