Trogerite Mineral Data

Trogerite Mineral Data +

General Trogerite Information

Chemical Formula:

H2(UO2)2(AsO4)2·8(H2O)

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

Empirical Formula:

H₂(UO₂)₂(AsO₄)₂·8(H₂O)

IMA Status:

Valid Species (Pre-IMA) 1871

Locality:

Walpurgis vein of the Weisser Hirsch mine, Neustadtl, Schneeberg, Saxony, Germany Link to MinDat.org Location Data.

Name Origin:

Named for R. Troger, mining offical at Schneeberg, Germany.

Synonym:

Troegerite

Trogerite Image

Images:

Trogerite Metazeunerite

Comments: Yellow crystals of tr?gerite with green metazeunerite.
Location: Walpurgis Flats, Wei?er Hirsch Mine, Neust?dtel, Schneeberg District, Erzgebirge, Saxony, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Trogerite Crystallography

Axial Ratios:

a:c = 1:1.22905

Cell Dimensions:

a = 7.16, c = 8.8, Z = 1; V = 451.14 Den(Calc)= 3.55

Crystal System:

Tetragonal - Ditetragonal DipyramidalH-M Symbol (4/m 2/m 2/m) Space Group: P 4/mmm

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 8.59(1), 3.79(0.9), 3.3(0.8),

Physical Properties of Trogerite

Cleavage:

[001] Perfect, [100] Good

Color:

Yellow.

Density:

3.55

Diaphaniety:

Transparent

Habit:

Massive - Uniformly indistinguishable crystals forming large masses.

Habit:

Striated - Parallel lines on crystal surface or cleavage face.

Hardness:

2-3 - Gypsum-Calcite

Luminescence:

Non-fluorescent.

Luster:

Vitreous - Pearly

Optical Properties of Trogerite

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

Optical Data:

Uniaxial (-), e=1.585, w=1.63, bire=0.0450.

Calculated Properties of Trogerite

Electron Density:

r_electron=3.15 gm/cc
note: r_Trogerite=3.55 gm/cc.

Fermion Index

Fermion Index = 0.00371
Boson Index = 0.99629

Photoelectric:

PE_Trogerite=1,273.14 barns/electron
U=PE_Trogerite x r_electron=4,013.16 barns/cc.

Radioactivity:

GRapi = 3,737,525.97 (Gamma Ray American Petroleum Institute Units)

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	88,393,691	2.39E-03	3,737,525.97	1,228.78
100 gm / 3.78 cm	8,839,369	2.39E-04	373,752.60	122.88
10 gm / 1.75 cm	883,937	2.39E-05	37,375.26	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

Dana Class:

40.2a.20.1 (40)Hydrated Phosphates, etc

(40.2a)where A++ (B++)2 (XO4) · x(H2O), containing (UO2)++

(40.2a.20)Dana Group

40.2a.20.1 Trogerite H2(UO2)2(AsO4)2·8(H2O) P 4/mmm 4/m 2/m 2/m

Strunz Class:

VII/E.01-10 VII - Phosphates, Arsenates and Vanadates

VII/E - Uranylphosphates and uranylvanadates with [UO2]2+ - [PO4 | AsO4]3- and [UO2]2+ - [V2O8]6-

VII/E.01 - Autunite group

VII/E.01-10 Trogerite H2(UO2)2(AsO4)2·8(H2O) P 4/mmm 4/m 2/m 2/m

VII/E.01-20 Sabugalite HAl(UO2)4(PO4)4·16(H2O) I 4/mmm 4/m 2/m 2/m

VII/E.01-30 Saleeite Mg(UO2)2(PO4)2·10(H2O) I 4/mmm 4/m 2/m 2/m

VII/E.01-35 Seelite-1 Mg[(UO2)(AsO3)x(AsO4)1-x]2·7(H2O) C 2/m 2/m

VII/E.01-35* Seelite-2 Mg(UO2)(AsO3)x(AsO4)1-x·7(H2O)(x=0.7) C 2/m 2/m

VII/E.01-40 Novacekite Mg(UO2)2(AsO4)2·12(H2O) P 4₁/n 4/m

VII/E.01-50 Kahlerite Fe(UO2)2(AsO4)2·10-12(H2O) P 4₁/n 4/m

VII/E.01-60 Fritzscheite Mn(UO2)2[(V,P)O4]2·4(H2O) Pnam 2/m 2/m 2/m

VII/E.01-70 Torbernite Cu(UO2)2(PO4)2·8-12(H2O) I 4/mmm 4/m 2/m 2/m

VII/E.01-80 Zeunerite Cu(UO2)2(AsO4)2·10-16(H2O) P 4/nnc 4/m 2/m 2/m

VII/E.01-90 Autunite Ca(UO2)2(PO4)2·10-12(H2O) I 4/mmm 4/m 2/m 2/m

VII/E.01-100 Uranospinite Ca(UO2)2(AsO4)2·10(H2O) I 4/mmm 4/m 2/m 2/m

VII/E.01-110 Uranocircite Ba(UO2)2(PO4)2·12(H2O) P 4/nnc 4/m 2/m 2/m

VII/E.01-120 Heinrichite Ba(UO2)2(AsO4)2·10-12(H2O) IA/mmm 4/m 2/m 2/m

VII/E.01-130 Sodium-autunite Na2(UO2)2(PO4)2·8(H2O) P 4/nmm 4/m 2/m 2/m

Other Trogerite Information

References:

NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8)

See Also:

Links to other databases for Trogerite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -Handbook of Mineralogy (UofA) 6 -MinDAT 7 -MinMax(Deutsch) 8 -MinMax(English) 9 -Mineralienatlas (Deutsch) 10 -QUT Mineral Atlas 11 - 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: 40.2a.20.1 Strunz No: VII/E.01-10
Locality:

Notes: