Xiangjiangite Mineral Data (original) (raw)

General Xiangjiangite Information

Help on Chemical Formula: Chemical Formula:

(Fe+++,Al)(UO2)4(PO4)2(SO4)2(OH)•22(H2O)

Help on Composition: Composition:

Molecular Weight = 1,916.94 gm

Uranium 49.67 % U 56.35 % UO2

Aluminum 0.70 % Al 1.33 % Al2O3

Iron 1.46 % Fe 2.08 % Fe2O3

Phosphorus 3.23 % P 7.40 % P2O5

Hydrogen 2.37 % H 21.15 % H2O

Sulfur 3.35 % S 8.35 % SO3

Oxygen 39.23 % O

______ ______

100.00 % 96.66 % = TOTAL OXIDE

Help on Empirical Formula: Empirical Formula:

Fe3+0.5Al0.5(UO2)4(PO4)2(SO4)2(OH)�22(H2O)

Help on IMA Status: IMA Status:

Approved IMA 1978

Help on Locality: Locality:

Xiangjiang River, Hunan, China. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named after the locality.

Help on Name Pronunciation: Name Pronunciation:

Xiangjiangite + Pronunciation Say XIANGJIANGITE

Search for Xiangjiangite Images

Click Here To Search Images:

Xiangjiangite Crystallography

Help on Axial Ratios: Axial Ratios:

a:b:c =0.9661:1:1.8335

Help on Cell Dimensions: Cell Dimensions:

a = 12.54, b = 12.98, c = 23.8, Z = 4; beta = 108.6° V = 3,671.57 Den(Calc)= 3.47

Help on Crystal System: Crystal System:

MonoclinicSpace Group: C 2/c or Cc

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 11.11(1), 3.29(0.8), 3.74(0.8),

Physical Properties of Xiangjiangite

Help on Color: Color:

Yellow, Bright yellow.

Help on Density: Density:

2.9 - 3.1, Average = 3

Help on Habit: Habit:

Microscopic Crystals - Crystals visible only with microscopes.

Help on Habit: Habit:

Platy - Sheet forms (e.g. micas).

Help on Hardness: Hardness:

1-2 - Between Talc and Gypsum

Help on Luster: Luster:

Silky

Help on Streak: Streak:

light yellow

Optical Properties of Xiangjiangite

Help on Gladstone-Dale: Gladstone-Dale:

CI meas= -0.157 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1659,KPDmeas= 0.1919,KC= 0.1659
Ncalc = 1.48 - 1.58

Help on Optical Data: Optical Data:

Biaxial (-), a=1.558, b=1.576, g=1.593, bire=0.0350, 2V(Calc)=86, 2V(Meas)=87.

Help on Pleochroism (x): Pleochroism (x):

yellow.

Help on Pleochroism (y): Pleochroism (y):

yellow.

Help on Pleochroism (z): Pleochroism (z):

weak yellow.

Calculated Properties of Xiangjiangite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=3.15 gm/cc
note: Specific Gravity of Xiangjiangite =3.47 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.0043277083
Boson Index = 0.9956722917

Help on Photoelectric: Photoelectric:

PEXiangjiangite =1,241.69 barns/electron
U=PEXiangjiangite x relectron=3,913.21 barns/cc.

Help on Radioactivity: Radioactivity:

GRapi = 3,845,084.01 (Gamma Ray American Petroleum Institute Units)
Concentration of Xiangjiangite per GRapi unit = 260.07 (PPB)

Xiangjiangite 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) 7.91 ± 1.98 grams of pure Xiangjiangite .
Estimated Maximum U.S. Postal Shipping Size(10 mRem/hr limit, Unshielded 100 cm box) 791.05 ±197.76 grams of pure Xiangjiangite .

Estimated Radioactivity from Xiangjiangite - very strong

SpecimenSizeWeight/Volume(Sphere) * CalculatedActivityBecquerels(Bq) CalculatedActivityCuries (Ci) EstimatedActivityGR(api) EstimatedExposure(mRem**)/hrIf Held in HandFor One Hour
1000 gm / 8.20 cm 88,906,709 2.40E-03 3,845,084.01 1,264.14
100 gm / 3.80 cm 8,890,671 2.40E-04 384,508.40 126.41
10 gm / 1.77 cm 889,067 2.40E-05 38,450.84 12.64
1 gm / 8.20 mm 88,907 2.40E-06 3,845.08 1.26
0.1 gm / 3.80 mm 8,891 2.40E-07 384.51 0.13
0.01 gm / 1.77 mm 889 2.40E-08 38.45 0.01
0.001 gm / 0.82 mm 89 2.40E-09 3.85 0.00

Weight of pure Xiangjiangite in grams (gm) and Calculated Diameter of a Sphere with a Density of 3.47 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

Xiangjiangite Classification

Help on Dana Class: Dana Class:

43.05.06.01 (43)Compound Phosphates, etc.

(43.05)(Hydrated Compound Anions With Hydroxyl or Halogen)

(43.05.06)Dana Group

43.05.06.01 Xiangjiangite (Fe,Al)(UO2)4(PO4)2(SO4)2(OH)•22(H2O) C 2/c or Cc Mono

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 Xiangjiangite 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 Xiangjiangite :
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
15 - Uranium Minerals

Search for Xiangjiangite using:

[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Xiangjiangite :

A Bijoux Google Search for Xiangjiangite
Adam's Minerals Google Search for Xiangjiangite
Cape Minerals Google Search for Xiangjiangite
Dakota Matrix Minerals Google Search for Xiangjiangite
Excalibur Mineral Corp. Google Search for Xiangjiangite
Exceptional Minerals Google Search for Xiangjiangite
John Betts Fine Minerals Search for Xiangjiangite
McDougall Minerals Google Search for Xiangjiangite
Mineral News Website Link
Rock and Mineral Shows Google Search for Xiangjiangite
Weinrich Minerals, Inc. Google Search for Xiangjiangite

Ask about Xiangjiangite 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 Espa�ol

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

Xiangjiangite

(Fe+++,Al)(UO2)4(PO4)2(SO4)2(OH)•22(H2O)
Dana No: 43.05.06.01 Strunz No: 08.EB.05
Locality:

Notes: