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Metaheinrichite Mineral Data

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General Metaheinrichite Information

Help on Chemical  Formula: Chemical Formula: Ba(UO2)2(AsO4)2•8(H2O)
Help on Composition: Composition: Molecular Weight = 1,099.34 gm
   Barium    12.49 %  Ba   13.95 % BaO
   Uranium   43.30 %  U    49.13 % UO2
   Arsenic   13.63 %  As   20.91 % As2O5
   Hydrogen   1.47 %  H    13.11 % H2O
   Oxygen    29.11 %  O
            ______        ______ 
            100.00 %       97.09 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ba(UO2)2(AsO4)2•8(H2O)
Help on Environment: Environment: Alteration product of heinrichite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1958
Help on Locality: Locality: White King mine, 22 km NW of Lakeview, Lake County, Oregon, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as the lower hydrate and for Eberhardt William Heinrich (1918-1991), Mineralogist, University of Michigan, Ann Arbor, MI, USA.
Help on Name Pronunciation: Name Pronunciation: Metaheinrichite + Pronunciation Say METAHEINRICHITE

Metaheinrichite Image

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Comments: Siliceous jasperoid with a black crust of uraninite (?) and bright canary yellow crystals of metaheinrichite crystals to 2.5mm across.
Location: White King Mine, Lakeview, Oregon, USA. Scale: Picture size 2 cm.
© John Veevaert

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Comments: Very pale greenish crystals of metaheinrichite on matrix.
Location: Schmiedestollenhalde mine, Wittichen, Schenkenzell, Schwartzwald (Black Forest), Baden-Württemberg, Germany. Scale: Picture size 0.5 cm.
© Paul M. Schumacher

Metaheinrichite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.3937:1:0.3942
Help on Cell Dimensions: Cell Dimensions: a = 6.943, b = 17.634, c = 6.952, Z = 2; beta = 90.023° V = 851.15 Den(Calc)= 4.29
Help on Crystal System: Crystal System: Monoclinic - Sphenoidal H-M Symbol (2) Space Group: P 21
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.71(1), 8.55(1), 5.41(0.9),

Physical Properties of Metaheinrichite

Help on Cleavage: Cleavage: {001} Perfect, {100} Distinct
Help on Color: Color: Yellowish green.
Help on Density: Density: 4.04
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Habit: Habit: Scaly - Morphology like fish scales.
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luminescence: Luminescence: Fluorescent, Short UV=bright green to greenish yellow, Long UV=bright green to greenish yellow.
Help on Luster: Luster: Vitreous - Pearly
Help on Streak: Streak: yellowish white

Optical Properties of Metaheinrichite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.062 (Fair) - where the CI = (1-KPDmeas/KC)
CI calc= 0 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1454,KPDmeas= 0.1544,KC= 0.1454
Ncalc = 1.59 - 1.62
Help on Optical Data: Optical Data: Uniaxial (-), e=1.608-1.609, w=1.637-1.641, bire=0.0290-0.0320.

Calculated Properties of Metaheinrichite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.76 gm/cc
note: Specific Gravity of Metaheinrichite =4.29 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PEMetaheinrichite =1,187.60 barns/electron
U=PEMetaheinrichite x relectron=4,467.55 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 3,236,711.53 (Gamma Ray American Petroleum Institute Units)
Concentration of Metaheinrichite per GRapi unit = 308.96 (PPB)

Metaheinrichite 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) 9.40 ± 2.35 grams of pure Metaheinrichite .
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 939.74 ±234.93 grams of pure Metaheinrichite .

Estimated Radioactivity from Metaheinrichite - very strong
Curies (Ci)
If Held in Hand
For One Hour
1000 gm / 7.64 cm 77,513,882 2.09E-03 3,236,711.53 1,064.12
100 gm / 3.54 cm 7,751,388 2.09E-04 323,671.15 106.41
10 gm / 1.65 cm 775,139 2.09E-05 32,367.12 10.64
1 gm / 7.64 mm 77,514 2.09E-06 3,236.71 1.06
0.1 gm / 3.54 mm 7,751 2.09E-07 323.67 0.11
0.01 gm / 1.65 mm 775 2.09E-08 32.37 0.01
0.001 gm / 0.76 mm 78 2.09E-09 3.24 0.00

Weight of pure Metaheinrichite in grams (gm) and Calculated Diameter of a Sphere with a Density of 4.29 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

Metaheinrichite Classification

Help on  Dana Class: Dana Class: 40.02a.04.02 (40)Hydrated Phosphates, etc
  (40.02a)where A++ (B++)2 (XO4) � x(H2O), containing (UO2)++
  (40.02a.04)Dana Group
40.02a.04.01 Heinrichite Ba(UO2)2(AsO4)2•10-12(H2O) P 2/c 2/m
40.02a.04.02 Metaheinrichite Ba(UO2)2(AsO4)2•8(H2O) P 21 2
Help on  Strunz Class: Strunz Class: 08.EB.10 08 - PHOSPHATES, ARSENATES, VANADATES
  08.E - Uranyl Phosphates and Arsenates
  08.EB -UO2:RO4 = 1:1
08.EB.10 Bassetite Fe(UO2)2(PO4)2•8(H2O) P 21/m 2/m
08.EB.10 Lehnerite Mn[UO2/PO4]2•8(H2O) P 21/n 2/m
08.EB.10 Metazeunerite Cu(UO2)2(AsO4)2•8(H2O) P 4/n 4/m
08.EB.10 Meta-autunite Ca(UO2)2(PO4)2•2-6(H2O) P 4/nmm 4/m 2/m 2/m
08.EB.10 Metauranocircite Ba(UO2)2(PO4)2•6-8(H2O) P 21 2
08.EB.10 Metauranospinite Ca(UO2)2(AsO4)2•8(H2O) P 4/nmm 4/m 2/m 2/m
08.EB.10 Metaheinrichite Ba(UO2)2(AsO4)2•8(H2O) P 21 2
08.EB.10 Metakahlerite Fe(UO2)2(AsO4)2•8(H2O) P 4/mmm 4/m 2/m 2/m
08.EB.10 Metakirchheimerite Co(UO2)2(AsO4)2•8(H2O) P 4/mmm 4/m 2/m 2/m
08.EB.10 Metalodevite Zn(UO2)2(AsO4)2•10(H2O) P 41/m 4/m
08.EB.10 Metanovacekite Mg(UO2)2(AsO4)2•4-8(H2O) P 4/n 4/m
08.EB.10 Metatorbernite Cu(UO2)2(PO4)2•8(H2O) P 4/n 4/m
08.EB.10 Przhevalskite Pb(UO2)2(PO4)2•4(H2O) Unk Tetra

Other Metaheinrichite Information

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

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Dana No: 40.02a.04.02 Strunz No: 08.EB.10





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