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Zinc-zippeite Mineral Data

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General Zinc-zippeite Information

Help on Chemical  Formula: Chemical Formula: Zn++2(UO2)6(SO4)3(OH)10•16(H2O)
Help on Composition: Composition: Molecular Weight = 2,497.45 gm
   Uranium   57.19 %  U    64.87 % UO2
   Zinc       5.24 %  Zn    6.52 % ZnO
   Hydrogen   1.70 %  H    15.15 % H2O
   Sulfur     3.85 %  S     9.62 % SO3
   Oxygen    32.03 %  O
            ______        ______ 
            100.00 %       96.16 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Zn2(UO2)6(SO4)3(OH)10•16(H2O)
Help on IMA Status: IMA Status: Approved IMA 1976
Help on Locality: Locality: Hillside mine, Bagdad, Yavapai County, Arizona, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for its composition and for Franz Xaver Maxmillion Zippe (1791-1863), Austrian mineralogist.
Help on Name Pronunciation: Name Pronunciation: Zinc-zippeite Say ZINC-ZIPPEITE
Help on Synonym: Synonym: Zinc-zippeite - Renamed Zinczippeite by Mineralogical Record, v39 (2008), p131

Zinc-zippeite Crystallography

Help on Crystal System: Crystal System: Orthorhombic Space Group: Unk
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 7.08(1), 3.54(0.5), 3.44(0.4),3.1(0.3), 9.62(0.3), 1.94(0.2), 2.47(0.2), 4.84(0.1),

Physical Properties of Zinc-zippeite

Help on Cleavage: Cleavage: {010} Distinct
Help on Color: Color: Yellow.
Help on Density: Density: 4.3
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Habit: Habit: Encrustations - Forms crust-like aggregates on matrix.
Help on Hardness: Hardness: 5-5.5 - Apatite-Knife Blade
Help on Luminescence: Luminescence: Fluorescent, Short UV=bright yellow, Long UV=bright yellow.
Help on Luster: Luster: Earthy (Dull)

Optical Properties of Zinc-zippeite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.173 (Poor) - where the CI = (1-KPDmeas/KC)
KPDmeas= 0.1686,KC= 0.1437
Ncalc = 1.62
Help on Optical Data: Optical Data: Biaxial (-), a=1.7-1.75

Calculated Properties of Zinc-zippeite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.79 gm/cc
note: Specific Gravity of Zinc-zippeite =4.30 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0067094902
Boson Index = 0.9932905098
Help on Photoelectric: Photoelectric: PEZinc-zippeite =1,473.28 barns/electron
U=PEZinc-zippeite x relectron=5,590.72 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 4,301,609.31 (Gamma Ray American Petroleum Institute Units)
Concentration of Zinc-zippeite per GRapi unit = 232.47 (PPB)

Zinc-zippeite 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) 7.07 ± 1.77 grams of pure Zinc-zippeite .
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 707.10 ±176.77 grams of pure Zinc-zippeite .

Estimated Radioactivity from Zinc-zippeite - very strong
Curies (Ci)
If Held in Hand
For One Hour
1000 gm / 7.63 cm 102,361,424 2.77E-03 4,301,609.31 1,414.23
100 gm / 3.54 cm 10,236,142 2.77E-04 430,160.93 141.42
10 gm / 1.64 cm 1,023,614 2.77E-05 43,016.09 14.14
1 gm / 7.63 mm 102,361 2.77E-06 4,301.61 1.41
0.1 gm / 3.54 mm 10,236 2.77E-07 430.16 0.14
0.01 gm / 1.64 mm 1,024 2.77E-08 43.02 0.01
0.001 gm / 0.76 mm 102 2.77E-09 4.30 0.00

Weight of pure Zinc-zippeite in grams (gm) and Calculated Diameter of a Sphere with a Density of 4.30 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

Zinc-zippeite Classification

Help on  Dana Class: Dana Class: (31)Hydrated Sulfates Containing Hydroxyl or Halogen
  (31.10.04)Zippeite Group Zippeite K4(UO2)6(SO4)3(OH)10•4(H2O) C 2/m 2/m Natrozippeite Na4(UO2)6(SO4)3(OH)10•4(H2O) Unk Ortho Magnesiozippeite Mg(H2O)3.5(UO2)2(SO4)O2 C 2/m 2/m Nickelzippeite Ni2(UO2)6(SO4)3(OH)10•16(H2O) Unk Ortho Zinc-zippeite Zn2(UO2)6(SO4)3(OH)10•16(H2O) Unk Ortho Cobaltzippeite Co2(UO2)6(SO4)3(OH)10•16(H2O) Unk Ortho Marecottite! Mg3(H2O)18[(UO2)4O3(SO4)2]2•10(H2O) P1 1 Pseudojohannite! Cu6.5[(UO2)4O4(SO4)2]2(OH)5•25H2O P1 or P1 Tri IMA2009-008 Y2[(UO2)8O6(SO4)4(OH)2]•26H2O P1 1
Help on  Strunz Class: Strunz Class: 07.EC.05 07 - SULFATES (SELENATES, TELLURATES)
  07.E - Uranyl Sulfates
  07.EC -With medium-sized and large cations
07.EC.05 Cobaltzippeite Co2(UO2)6(SO4)3(OH)10•16(H2O) Unk Ortho
07.EC.05 Magnesiozippeite Mg(H2O)3.5(UO2)2(SO4)O2 C 2/m 2/m
07.EC.05 Nickelzippeite Ni2(UO2)6(SO4)3(OH)10•16(H2O) Unk Ortho
07.EC.05 Natrozippeite Na4(UO2)6(SO4)3(OH)10•4(H2O) Unk Ortho
07.EC.05 Zinc-zippeite Zn2(UO2)6(SO4)3(OH)10•16(H2O) Unk Ortho
07.EC.05 Zippeite K4(UO2)6(SO4)3(OH)10•4(H2O) C 2/m 2/m

Other Zinc-zippeite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Zinc-zippeite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - GeoScienceWorld
5 - Google Images
6 - Google Scholar
7 - MinDAT
8 - Mineralienatlas (Deutsch)
9 - Online Mineral Museum
10 - QUT Mineral Atlas
11 - Ruff.Info
12 - Uranium Minerals

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Dana No: Strunz No: 07.EC.05





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