Heinrichite Mineral Data

Heinrichite Mineral Data +

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General Heinrichite Information

Chemical Formula:

Ba(UO2)2(AsO4)2·10-12(H2O)

Composition:

Molecular Weight = 1,153.39 gm

Barium 11.91 % Ba 13.29 % BaO

Uranium 41.27 % U 46.82 % UO₂

Arsenic 12.99 % As 19.93 % As₂O₅

Hydrogen 1.92 % H 17.18 % H₂O

Oxygen 31.90 % O

______ ______

100.00 % 97.23 % = TOTAL OXIDE

Empirical Formula:

Ba(UO₂)₂(AsO₄)₂·11(H₂O)

IMA Status:

Valid Species (Pre-IMA) 1958

Locality:

Link to MinDat.org Location Data.

Heinrichite Image

Images:

Heinrichite

Comments: Pale greenish-yellow crystalline heinrichite crusts on clay.
Location: Lakeview, Lake County, Oregon, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Heinrichite Crystallography

Axial Ratios:

a:c = 1:2.88359

Cell Dimensions:

a = 7.13, c = 20.56, Z = 2; V = 1,045.21 Den(Calc)= 3.66

Crystal System:

Tetragonal - Ditetragonal DipyramidalH-M Symbol (4/m 2/m 2/m) Space Group: IA/mmm

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 3.57(1), 5.03(0.8), 8.89(0.8),

Crystal Structure:

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Locock A J , Burns P C , Flynn T M , The Canadian Mineralogist , 43 (2005) p.721-733, Structures of strontium- and barium-dominant compounds that contain the autunite-type sheet

Physical Properties of Heinrichite

Cleavage:

[001] Perfect, [100] Distinct

Color:

Green, Yellow, Yellow green.

Density:

3.61

Diaphaniety:

Transparent to Translucent

Hardness:

2.5 - Finger Nail

Luminescence:

Fluorescent.

Luster:

Vitreous - Pearly

Streak:

yellow white

Optical Properties of Heinrichite

Dichroism (e):

colorless.

Dichroism (w):

colorless.

Gladstone-Dale:

CI meas= -0.056 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= -0.041 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1609,KPDmeas= 0.1632,KC= 0.1545

Optical Data:

Uniaxial (-), e=1.573, w=1.605, bire=0.0320.

Calculated Properties of Heinrichite

Electron Density:

r_electron=3.25 gm/cc
note: r_Heinrichite=3.66 gm/cc.

Fermion Index

Fermion Index = 0.02434
Boson Index = 0.97566

Photoelectric:

PE_Heinrichite=1,118.03 barns/electron
U=PE_Heinrichite x r_electron=3,632.95 barns/cc.

Radioactivity:

GRapi = 3,123,500.56 (Gamma Ray American Petroleum Institute Units)

Heinrichite 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) 9.74 ± 2.43 grams of pure Heinrichite .
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 973.80 ±243.45 grams of pure Heinrichite .

**Estimated Radioactivity from Heinrichite** - 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 / 8.05 cm	73,881,695	2.00E-03	3,123,500.56	1,026.90
100 gm / 3.74 cm	7,388,170	2.00E-04	312,350.06	102.69
10 gm / 1.73 cm	738,817	2.00E-05	31,235.01	10.27
1 gm / 8.05 mm	73,882	2.00E-06	3,123.50	1.03
0.1 gm / 3.74 mm	7,388	2.00E-07	312.35	0.10
0.01 gm / 1.73 mm	739	2.00E-08	31.24	0.01
0.001 gm / 0.81 mm	74	2.00E-09	3.12	0.00

Weight of pure Heinrichite in grams (gm) and Calculated Diameter of a Sphere with a Density of 3.66 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

Heinrichite Classification

Dana Class:

40.2a.4.1 (40)Hydrated Phosphates, etc

(40.2a)where A++ (B++)2 (XO4) · x(H2O), containing (UO2)++

(40.2a.4)Dana Group

40.2a.4.1 Heinrichite Ba(UO2)2(AsO4)2·10-12(H2O) IA/mmm 4/m 2/m 2/m

40.2a.4.2 Metaheinrichite Ba(UO2)2(AsO4)2·8(H2O) P 4₁/? 4/m

Strunz Class:

VII/E.01-120 VII - Phosphates, Arsenates and Vanadates

VII/E - Uranylphosphates and uranylvanadates with [UO2]2+ - [PO4 | AsO4]3- and [UO2]2+ - [V2O8]6-

VII/E.01 - Autunite group

VII/E.01-10 Trogerite H2(UO2)2(AsO4)2·8(H2O) P 4/mmm 4/m 2/m 2/m

VII/E.01-20 Sabugalite HAl(UO2)4(PO4)4·16(H2O) I 4/mmm 4/m 2/m 2/m

VII/E.01-30 Saleeite Mg(UO2)2(PO4)2·10(H2O) I 4/mmm 4/m 2/m 2/m

VII/E.01-35 Seelite-1 Mg[(UO2)(AsO3)x(AsO4)1-x]2·7(H2O) C 2/m 2/m

VII/E.01-35* Seelite-2 Mg(UO2)(AsO3)x(AsO4)1-x·7(H2O)(x=0.7) C 2/m 2/m

VII/E.01-40 Novacekite Mg(UO2)2(AsO4)2·12(H2O) P 4₁/n 4/m

VII/E.01-50 Kahlerite Fe(UO2)2(AsO4)2·10-12(H2O) P 4₁/n 4/m

VII/E.01-60 Fritzscheite Mn(UO2)2[(V,P)O4]2·4(H2O) Pnam 2/m 2/m 2/m

VII/E.01-70 Torbernite Cu(UO2)2(PO4)2·8-12(H2O) I 4/mmm 4/m 2/m 2/m

VII/E.01-80 Zeunerite Cu(UO2)2(AsO4)2·10-16(H2O) P 4/nnc 4/m 2/m 2/m

VII/E.01-90 Autunite Ca(UO2)2(PO4)2·10-12(H2O) I 4/mmm 4/m 2/m 2/m

VII/E.01-100 Uranospinite Ca(UO2)2(AsO4)2·10(H2O) I 4/mmm 4/m 2/m 2/m

VII/E.01-110 Uranocircite Ba(UO2)2(PO4)2·12(H2O) P 4/nnc 4/m 2/m 2/m

VII/E.01-120 Heinrichite Ba(UO2)2(AsO4)2·10-12(H2O) IA/mmm 4/m 2/m 2/m

VII/E.01-130 Sodium-autunite Na2(UO2)2(PO4)2·8(H2O) P 4/nmm 4/m 2/m 2/m

Other Heinrichite Information

References:

PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Heinrichite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - Uranium Minerals 13 -École des Mines de Paris

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

Heinrichite

Ba(UO2)2(AsO4)2·10-12(H2O)
Dana No: 40.2a.4.1 Strunz No: VII/E.01-120
Locality:

Notes: