General Trogerite Information Chemical Formula: |
H2(UO2)2(AsO4)2•8(H2O) |
Composition: |
Molecular Weight = 964.03 gm |
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Uranium 49.38 % U 56.02 % UO2 |
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Arsenic 15.54 % As 23.84 % As2O5 |
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Hydrogen 1.88 % H 16.82 % H2O |
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Oxygen 33.19 % O |
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______ ______ |
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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. |
Name Pronunciation: |
Trogerite + Pronunciation |
Synonym: |
Troegerite |
| | Trogerite Image
Images:
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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 |
X Ray Diffraction: |
By Intensity(I/Io): 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 |
Diaphaneity: |
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: |
Fluorescent, Short UV=lemon-yellow, Long UV=lemon-yellow. |
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 Ncalc = 1.54 Optical Data: |
Uniaxial (-), e=1.585, w=1.63, bire=0.0450. |
| Calculated Properties of Trogerite Electron Density: |
Bulk Density (Electron Density)=3.15 gm/cc |
note: Specific Gravity of Trogerite =3.55 gm/cc. Fermion Index: |
Fermion Index = 0.0037176485 |
Boson Index = 0.9962823515 Photoelectric: |
PETrogerite =1,273.14 barns/electron |
U=PETrogerite x relectron=4,013.16 barns/cc. Radioactivity: |
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GRapi = 3,737,527.18 (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 .
Weight of pure Trogerite in grams (gm) and Calculated Diameter of a Sphere with a Density of 3.55 gm/cc.* | Trogerite Classification Dana Class: |
40.02a.20.01 (40)Hydrated Phosphates, etc |
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(40.02a)where A++ (B++)2 (XO4) · x(H2O), containing (UO2)++ |
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(40.02a.20)Dana Group |
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Strunz Class: |
08.EB.15 08 - PHOSPHATES, ARSENATES, VANADATES |
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08.E - Uranyl Phosphates and Arsenates |
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08.EB -UO2:RO4 = 1:1 |
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| Other Trogerite Information References: |
NAME( Dana8) PHYS. PROP.(Collectors Book of Fluorescent Minerals) OPTIC PROP.(Dana8) |
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 Search for Trogerite using: Visit our Advertisers for Trogerite : A Bijoux Google Search for TrogeriteAdam's Minerals Google Search for Trogerite Cape Minerals Google Search for Trogerite Dakota Matrix Minerals Google Search for Trogerite Excalibur Mineral Corp. Google Search for Trogerite Exceptional Minerals Google Search for Trogerite John Betts Fine Minerals Search for Trogerite McDougall Minerals Google Search for Trogerite Mineral News Website Link Rock and Mineral Shows Google Search for Trogerite Weinrich Minerals, Inc. Google Search for Trogerite Ask about Trogerite here : Print or Cut-and-Paste your Trogerite Specimen Label here :
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