Magnesiozippeite Mineral Data

Magnesiozippeite Mineral Data
Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images       News Help About



[Content and History] [Recent Issues] [Back Issues] [Subscriptions] [Contacts]
See Also: [Diamond Crystals] [Excalibur Minerals] [Hudson Institute] [Minerals on CDROM]
Mineral News was founded some twenty years ago and has developed a following of
avid mineral collectors seeking timely information about new finds and other items
of interest to the collector community. Articles are solicited from collector and scientific authors.


General Magnesiozippeite Information

Help on Chemical Formula: Chemical Formula: Mg(H2O)3.5(UO2)2(SO4)O2
Help on Composition: Composition: Molecular Weight = 755.48 gm
   Magnesium   3.22 %  Mg    5.33 % MgO
   Uranium    63.01 %  U    71.49 % UO2
   Hydrogen    0.93 %  H     8.35 % H2O
   Sulfur      4.24 %  S    10.60 % SO3
   Oxygen     28.59 %  O
             ______        ______ 
             100.00 %       95.76 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mg(H2O)3.5(UO2)2(SO4)O2
Help on Environment: Environment: Secondary mineral formed at low pH (<5) from the oxidation of sulfides in uranium-bearing deposits.
Help on IMA Status: IMA Status: Approved IMA 1976
Help on Locality: Locality: Lucky StrikeNo. 2 mine, Emery County, Utah, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for its composition and for Franz Xaver Maxmillian Zippe (1791-1863), Austrian mineralogist.
Help on Synonym: Synonym: IMA2000-G
  Magnesium-zippeite - Renamed as Magnesiozippeite by Mineralogical Record, v330 (2008), p131
  Mg-zippeite
  Zippeite-Mg
 

Magnesiozippeite Image

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

Magnesiozippeite   Marecottite

Comments: Powdery and crystalline aggregates of red-brown marecottite and yellow magnesiozippeite on matrix.
Location: Svornost Mine, Jachymov, Bohemia, Czech Republic. Scale: Specimen Size 6.5x9 cm.
© Diederik Visser

Magnesiozippeite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.6102:1:1.249
Help on Cell Dimensions: Cell Dimensions: a = 8.654, b = 14.182, c = 17.714, Z = 6; beta = 103.92° V = 2,110.21 Den(Calc)= 3.57
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.58(1), 3.48(0.8), 7.2(0.8),
 

Physical Properties of Magnesiozippeite

Help on Color: Color: Yellow, Yellowish orange.
Help on Density: Density: 3.3
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 Luster: Luster: Earthy (Dull)
 

Optical Properties of Magnesiozippeite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.742 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.61 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2082,KPDmeas= 0.2253,KC= 0.1293
Ncalc = 1.43 - 1.46
Help on Optical Data: Optical Data: Biaxial (?), a=1.7, b=1.74, g=1.79, bire=0.0900
 

Calculated Properties of Magnesiozippeite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.09 gm/cc
note: Specific Gravity of Magnesiozippeite =3.57 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0082111719
Boson Index = 0.9917888281
Help on Photoelectric: Photoelectric: PEMagnesiozippeite =1,651.86 barns/electron
U=PEMagnesiozippeite x relectron=5,105.03 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 4,649,748.92 (Gamma Ray American Petroleum Institute Units)
Concentration of Magnesiozippeite per GRapi unit = 215.07 (PPB)

Magnesiozippeite 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) 6.54 ± 1.64 grams of pure Magnesiozippeite .
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 654.16 ±163.54 grams of pure Magnesiozippeite .

Estimated Radioactivity from Magnesiozippeite - 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 / 8.12 cm 112,795,528 3.05E-03 4,649,748.92 1,528.68
100 gm / 3.77 cm 11,279,553 3.05E-04 464,974.89 152.87
10 gm / 1.75 cm 1,127,955 3.05E-05 46,497.49 15.29
1 gm / 8.12 mm 112,796 3.05E-06 4,649.75 1.53
0.1 gm / 3.77 mm 11,280 3.05E-07 464.97 0.15
0.01 gm / 1.75 mm 1,128 3.05E-08 46.50 0.02
0.001 gm / 0.81 mm 113 3.05E-09 4.65 0.00

Weight of pure Magnesiozippeite in grams (gm) and Calculated Diameter of a Sphere with a Density of 3.57 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
 

Magnesiozippeite Classification
Help on Dana Class: Dana Class: 31.10.04.03 (31)Hydrated Sulfates Containing Hydroxyl or Halogen
  (31.10)miscellaneous
  (31.10.04)Zippeite Group
 
31.10.04.01 Zippeite K4(UO2)6(SO4)3(OH)10•4(H2O) C 2/m 2/m
 
31.10.04.02 Natrozippeite Na4(UO2)6(SO4)3(OH)10•4(H2O) Unk Ortho
 
31.10.04.03 Magnesiozippeite Mg(H2O)3.5(UO2)2(SO4)O2 C 2/m 2/m
 
31.10.04.04 Nickelzippeite Ni2(UO2)6(SO4)3(OH)10•16(H2O) Unk Ortho
 
31.10.04.05 Zinc-zippeite Zn2(UO2)6(SO4)3(OH)10•16(H2O) Unk Ortho
 
31.10.04.06 Cobaltzippeite Co2(UO2)6(SO4)3(OH)10•16(H2O) Unk Ortho
 
31.10.04.07 Marecottite! Mg3(H2O)18[(UO2)4O3(SO4)2]2•10(H2O) P1 1
 
31.10.04.08 Pseudojohannite! Cu6.5[(UO2)4O4(SO4)2]2(OH)5•25H2O P1 or P1 Tri
 
31.10.04.09 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 Magnesiozippeite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed., AmMin v 88, p 676) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Magnesiozippeite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - MinDAT
6 - MinMax(Deutsch)
7 - MinMax(English)
8 - Mineralienatlas (Deutsch)
9 - QUT Mineral Atlas
10 - Ruff.Info

Search for Magnesiozippeite using:

Google
 
Web webmineral.com
[ALTAVISTA] [AOL] [All-The-Web] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Magnesiozippeite :

AA Mineral Specimens

B & L Fine Minerals

Crystalarium.com

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Desert Winds Gems and Minerals

Excalibur Minerals

Exceptional Minerals

Fabre Minerals

Heliodor

John Betts Fine Minerals

Mason's Minerals

Mineral News

Mineral of the Month Club

Wrights Rock Shop

Translate Magnesiozippeite Mineral Data :

Ask about Magnesiozippeite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Espaņol

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

Magnesiozippeite

Mg(H2O)3.5(UO2)2(SO4)O2
Dana No: 31.10.04.03 Strunz No: 07.EC.05
Locality:

 

Notes: