Yingjiangite Mineral Data (original) (raw)

General Yingjiangite Information

Help on Chemical Formula: Chemical Formula:

(K2,Ca)(UO2)7(PO4)4(OH)6•6(H2O)

Help on Composition: Composition:

Molecular Weight = 2,607.53 gm

Potassium 4.50 % K 5.42 % K2O

Calcium 0.38 % Ca 0.54 % CaO

Uranium 63.90 % U 72.49 % UO2

Phosphorus 4.75 % P 10.89 % P2O5

Hydrogen 0.70 % H 6.22 % H2O

Oxygen 25.77 % O

______ ______

100.00 % 95.55 % = TOTAL OXIDE

Help on Empirical Formula: Empirical Formula:

K3Ca0.25(UO2)7(PO4)4(OH)6•6(H2O)

Help on Environment: Environment:

Secondary product in the oxidzed zone containing uraninite and uranothorite.

Help on IMA Status: IMA Status:

Approved IMA 1990

Help on Locality: Locality:

Tongbiguan village, Yingiang County, Yunnan Province, China. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named for the locality.

Help on Name Pronunciation: Name Pronunciation:

Yingjiangite + Pronunciation Say YINGJIANGITE

Help on Synonym: Synonym:

IMA1989-001

Yingjiangite Image

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

Click Here for Larger Yingjiangite Image Yingjiangite Comments: Thin coating of yellow yingjiangite on matrix. Location: Kladaske Mine, Erzgeborge, Czech Republi.Scale: Picture size 1.5 cm. © John Veevaert

Yingjiangite Crystallography

Help on Axial Ratios: Axial Ratios:

a:b:c =0.9014:1:0.7858

Help on Cell Dimensions: Cell Dimensions:

a = 15.707, b = 17.424, c = 13.692, Z = 4; V = 3,747.21 Den(Calc)= 4.62

Help on Crystal System: Crystal System:

Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Bmmb

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 7.89(1), 3.94(0.5), 3.15(0.29),

Physical Properties of Yingjiangite

Help on Color: Color:

Yellow, Golden yellow.

Help on Density: Density:

4.54

Help on Diaphaneity: Diaphaneity:

Transparent to Translucent

Help on Habit: Habit:

Aggregates - Made of numerous individual crystals or clusters.

Help on Hardness: Hardness:

3-4 - Calcite-Fluorite

Help on Luminescence: Luminescence:

Fluorescent, Short UV=weak yellow green, Long UV=weak yellow green.

Help on Luster: Luster:

Subadamantine

Help on Streak: Streak:

yellow

Optical Properties of Yingjiangite

Help on Gladstone-Dale: Gladstone-Dale:

CI meas= -0.213 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.192 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1494,KPDmeas= 0.1521,KC= 0.1253
Ncalc = 1.57 - 1.58

Help on Optical Data: Optical Data:

Biaxial (-), a=1.669, b=1.692, g=1.71, bire=0.0410, 2V(Calc)=80, 2V(Meas)=83.

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

colorless.

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

light yellow.

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

yellow.

Calculated Properties of Yingjiangite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=3.97 gm/cc
note: Specific Gravity of Yingjiangite =4.62 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.0047361028
Boson Index = 0.9952638972

Help on Photoelectric: Photoelectric:

PEYingjiangite =1,688.43 barns/electron
U=PEYingjiangite x relectron=6,701.06 barns/cc.

Help on Radioactivity: Radioactivity:

GRapi = 4,679,034.10 (Gamma Ray American Petroleum Institute Units)
Concentration of Yingjiangite per GRapi unit = 213.72 (PPB)

Yingjiangite 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) 6.50 ± 1.63 grams of pure Yingjiangite .
Estimated Maximum U.S. Postal Shipping Size(10 mRem/hr limit, Unshielded 100 cm box) 650.06 ±162.52 grams of pure Yingjiangite .

Estimated Radioactivity from Yingjiangite - very strong

SpecimenSizeWeight/Volume(Sphere) * CalculatedActivityBecquerels(Bq) CalculatedActivityCuries (Ci) EstimatedActivityGR(api) EstimatedExposure(mRem**)/hrIf Held in HandFor One Hour
1000 gm / 7.45 cm 114,381,743 3.09E-03 4,679,034.10 1,538.31
100 gm / 3.46 cm 11,438,174 3.09E-04 467,903.41 153.83
10 gm / 1.60 cm 1,143,817 3.09E-05 46,790.34 15.38
1 gm / 7.45 mm 114,382 3.09E-06 4,679.03 1.54
0.1 gm / 3.46 mm 11,438 3.09E-07 467.90 0.15
0.01 gm / 1.60 mm 1,144 3.09E-08 46.79 0.02
0.001 gm / 0.74 mm 114 3.09E-09 4.68 0.00

Weight of pure Yingjiangite in grams (gm) and Calculated Diameter of a Sphere with a Density of 4.62 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

Yingjiangite Classification

Help on Dana Class: Dana Class:

42.06.12.01 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen

(42.06)where (AB)2 (XO4) Zq � x(H2O)

(42.06.12)Dana Group

42.06.12.01 Yingjiangite (K2,Ca)(UO2)7(PO4)4(OH)6•6(H2O) Bmmb 2/m 2/m 2/m

Help on Strunz Class: Strunz Class:

08.EC.10 08 - PHOSPHATES, ARSENATES, VANADATES

08.E - Uranyl Phosphates and Arsenates

08.EC -UO2:RO4 = 3:2

08.EC.10 Arsenuranylite Ca(UO2)4(AsO4)2(OH)4•6(H2O) Bmmb 2/m 2/m 2/m

08.EC.10 Dewindtite Pb3[H(UO2)3O2(PO4)2]2•12(H2O) Bmmb 2/m 2/m 2/m

08.EC.10 Kivuite? (Th,Ca,Pb)H2(UO2)4(PO4)2(OH)8•7(H2O) Unk Ortho

08.EC.10 Renardite Pb(UO2)4(PO4)2(OH)4•7(H2O) Bmmb 2/m 2/m 2/m

08.EC.10 Phosphuranylite KCa(H3O)3(UO2)7(PO4)4O4•8(H2O) C mcm 2/m 2/m 2/m

08.EC.10 Yingjiangite (K2,Ca)(UO2)7(PO4)4(OH)6•6(H2O) Bmmb 2/m 2/m 2/m

Other Yingjiangite Information

Help on References: References:

NAME( Dana8) PHYS. PROP.(Am.Min.,Vol.76,p1731,1991) OPTIC PROP.(Dana8)

Help on See Also: See Also:

Links to other databases for Yingjiangite :
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

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

Yingjiangite

(K2,Ca)(UO2)7(PO4)4(OH)6•6(H2O)
Dana No: 42.06.12.01 Strunz No: 08.EC.10
Locality:

Notes: