Zeunerite  Mineral Data

Zeunerite Mineral Data

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General Zeunerite Information

Help on Chemical  Formula: Chemical Formula: Cu(UO2)2(AsO4)2•10-16(H2O)
Help on Composition: Composition: Molecular Weight = 1,061.59 gm
   Uranium   44.84 %  U    50.87 % UO2
   Copper     5.99 %  Cu    7.49 % CuO
   Arsenic   14.11 %  As   21.65 % As2O5
   Hydrogen   1.90 %  H    16.97 % H2O
   Oxygen    33.16 %  O
            ______        ______ 
            100.00 %       96.99 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cu(UO2)2(AsO4)2•10(H2O)
Help on Environment: Environment: Secondary mineral in arsenate bearing uranium deposits. Dehydrates to meta-zeunerite in air at 65 deg C.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1872
Help on Locality: Locality: Weisser Hirsch mine, Neustadtel, Schneeberg, Saxony, Germany. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after Gustav Anton Zeuner (1828-1907), German physicist, director, School of Mines, Freiberg, Germany.
Help on Name Pronunciation: Name Pronunciation: Zeunerite + Pronunciation Say ZEUNERITE
 

Zeunerite Image

Click Here for Larger Zeunerite Image in a New Browser Window Images:
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Zeunerite

Comments: Thin, tabular crystals of Zeunerite on matrix.
Location: Cinovec, Erzgebirge, the Czech Republic. Scale: Picture size 0.5 cm.
© Paul M. Schumacher

Zeunerite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:2.93314
Help on Cell Dimensions: Cell Dimensions: a = 7.18, c = 21.06, Z = 2; V = 1,085.69 Den(Calc)= 3.25
Help on Crystal System: Crystal System: Tetragonal - Ditetragonal DipyramidalH-M Symbol (4/m 2/m 2/m) Space Group: P 4/nnc
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.59(1), 10.3(1), 5.2(0.7),
Click Here for Large Zeunerite Structure Window Crystal Structure:

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drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate

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H - Help Screen
I - Data Info
A - Atoms On/Off
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B - Bonds On/Off
Help on Above


Locock A J , Burns P C , The Canadian Mineralogist , 41 (2003) p.489-502, Crystal structures and synthesis of the copper-dominant members of the autunite, and meta-autunite groups: Tobernite, zeunerite, metatorbernite and metazeunerite

 

Physical Properties of Zeunerite

Help on Cleavage: Cleavage: {001} Perfect
Help on Color: Color: Green, Green, Emerald green.
Help on Density: Density: 3.2 - 3.4, Average = 3.3
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Fracture: Fracture: Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.
Help on Habit: Habit: Micaceous - Platy texture with "flexible" plates.
Help on Habit: Habit: Scaly - Morphology like fish scales.
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luminescence: Luminescence: Radioactive and Non-Fluorescent.
Help on Luster: Luster: Vitreous (Glassy)
Help on Magnetism: Magnetism: Nonmagnetic
Help on Streak: Streak: pale green
 

Optical Properties of Zeunerite

Help on Dichroism (e): Dichroism (e): none.
Help on Dichroism (w): Dichroism (w): none.
Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.176 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.194 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1867,KPDmeas= 0.1839,KC= 0.1564
Ncalc = 1.5 - 1.53
Help on Optical Data: Optical Data: Uniaxial (-), e=1.576-1.623, w=1.585-1.643, bire=0.0090-0.0200.
 

Calculated Properties of Zeunerite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.95 gm/cc
note: Specific Gravity of Zeunerite =3.30 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0033907486
Boson Index = 0.9966092514
Help on Photoelectric: Photoelectric: PEZeunerite =1,149.99 barns/electron
U=PEZeunerite x relectron=3,396.04 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 3,420,591.88 (Gamma Ray American Petroleum Institute Units)
Concentration of Zeunerite per GRapi unit = 292.35 (PPB)

Zeunerite 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) 8.89 ± 2.22 grams of pure Zeunerite .
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 889.22 ±222.31 grams of pure Zeunerite .

Estimated Radioactivity from Zeunerite - very strong
Specimen
Size
Weight/Volume
(Sphere)
*
Calculated
Activity
Becquerels
(Bq)
Calculated
Activity
Curies (Ci)
Estimated
Activity
GR(api)
Estimated
Exposure
(mRem**)/hr
If Held in Hand
For One Hour
1000 gm / 8.33 cm 80,270,290 2.17E-03 3,420,591.88 1,124.58
100 gm / 3.87 cm 8,027,029 2.17E-04 342,059.19 112.46
10 gm / 1.80 cm 802,703 2.17E-05 34,205.92 11.25
1 gm / 8.33 mm 80,270 2.17E-06 3,420.59 1.12
0.1 gm / 3.87 mm 8,027 2.17E-07 342.06 0.11
0.01 gm / 1.80 mm 803 2.17E-08 34.21 0.01
0.001 gm / 0.83 mm 80 2.17E-09 3.42 0.00

Weight of pure Zeunerite in grams (gm) and Calculated Diameter of a Sphere with a Density of 3.30 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
 

Zeunerite Classification

Help on  Dana Class: Dana Class: 40.02a.14.01 (40)Hydrated Phosphates, etc
  (40.02a)where A++ (B++)2 (XO4) · x(H2O), containing (UO2)++
  (40.02a.14)Dana Group
 
40.02a.14.01 Zeunerite Cu(UO2)2(AsO4)2•10-16(H2O) P 4/nnc 4/m 2/m 2/m
 
40.02a.14.02 Metazeunerite Cu(UO2)2(AsO4)2•8(H2O) P 4/n 4/m
Help on  Strunz Class: Strunz Class: 08.EB.05 08 - PHOSPHATES, ARSENATES, VANADATES
  08.E - Uranyl Phosphates and Arsenates
  08.EB -UO2:RO4 = 1:1
 
08.EB.05 Autunite Ca(UO2)2(PO4)2•10-12(H2O) I 4/mmm 4/m 2/m 2/m
 
08.EB.05 Heinrichite Ba(UO2)2(AsO4)2•10-12(H2O) P 2/c 2/m
 
08.EB.05 Kahlerite Fe(UO2)2(AsO4)2•10-12(H2O) P 41/n 4/m
 
08.EB.05 Uranocircite Ba(UO2)2(PO4)2•12(H2O) P 4/nnc 4/m 2/m 2/m
 
08.EB.05 Novacekite Mg(UO2)2(AsO4)2•12(H2O) P 41/n 4/m
 
08.EB.05 Saleeite Mg(UO2)2(PO4)2•10(H2O) I 4/mmm 4/m 2/m 2/m
 
08.EB.05 Xiangjiangite (Fe,Al)(UO2)4(PO4)2(SO4)2(OH)•22(H2O) C 2/c or Cc Mono
 
08.EB.05 Torbernite Cu(UO2)2(PO4)2•8-12(H2O) I 4/mmm 4/m 2/m 2/m
 
08.EB.05 Uranospinite Ca(UO2)2(AsO4)2•10(H2O) P nma 2/m 2/m 2/m
 
08.EB.05 Zeunerite Cu(UO2)2(AsO4)2•10-16(H2O) P 4/nnc 4/m 2/m 2/m
 
08.EB.05 Metarauchite! Ni(UO2)2(AsO4)2•8H2O P1 1
 

Other Zeunerite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32)
Help on See Also: See Also: Links to other databases for Zeunerite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - EUROmin Project
5 - Ecole des Mines de Paris
6 - GeoScienceWorld
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - MinDAT
12 - Mineralienatlas (Deutsch)
13 - Online Mineral Museum
14 - QUT Mineral Atlas
15 - Ruff.Info
16 - Uranium Minerals
17 - WWW-MINCRYST
18 - YupRocks

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Print or Cut-and-Paste your Zeunerite Specimen Label here :

Zeunerite

Cu(UO2)2(AsO4)2•10-16(H2O)
Dana No: 40.02a.14.01 Strunz No: 08.EB.05
Locality:

 

Notes: