Phuralumite Mineral Data

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



[New Updates] [Gallery 1] [Gallery 2] [Gallery 3] [Rock Shop Gallery]
Serving the mineral collector and educator community since 1970
Over 900,000 mineral specimens in stock
New minerals acquired weekly - Wright's Rock Shop


General Phuralumite Information

Help on Chemical Formula: Chemical Formula: Al2(UO2)3(PO4)2(OH)6•10(H2O)
Help on Composition: Composition: Molecular Weight = 1,336.19 gm
   Uranium     53.44 %  U    60.63 % UO2
   Aluminum     4.04 %  Al    7.63 % Al2O3
   Phosphorus   4.64 %  P    10.62 % P2O5
   Hydrogen     1.96 %  H    17.53 % H2O
   Oxygen      35.92 %  O
              ______        ______ 
              100.00 %       96.41 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Al2(UO2)3(PO4)2(OH)6•10(H2O)
Help on Environment: Environment: Secondary mineral found in beryl-coloumbite pegmatites associated with other U-, and Al-bearing phosphates.
Help on IMA Status: IMA Status: Approved IMA 1979
Help on Locality: Locality: Kobokobo Pegmatite, Lusungu River District, Kivu, Congo (Zaīre) Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the composition of PHosphate, URanium, and ALUMinum.
Help on Name Pronunciation: Name Pronunciation: Phuralumite + Pronunciation Say PHURALUMITE
Help on Synonym: Synonym: ICSD 8187
  PDF 33-38
 

Phuralumite Image

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

Phuralumite

Comments: Yellow crystals of phuralumite scattered on white matrix.
Location: Kobokobo Pegmatite, Lusungu River District, Kivu, Congo (Zaīre). Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Phuralumite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.6614:1:0.4507
Help on Cell Dimensions: Cell Dimensions: a = 13.836, b = 20.918, c = 9.428, Z = 4; beta = 112.44° V = 2,522.05 Den(Calc)= 3.52
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/a
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 10.4(1), 3.08(0.8), 5.17(0.7),
Click Here for Large Phuralumite Structure Window Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
 Help on Above


Piret P , Piret-Meunier J , Declercq J P , Acta Crystallographica, Section B , 35 (1979) p.1880-1882, Structure of phuralumite, Locality: Kobokobo, Kivu, Zaire

 

Physical Properties of Phuralumite

Help on Cleavage: Cleavage: {???} Perfect
Help on Color: Color: Lemon.
Help on Density: Density: 3.5
Help on Diaphaneity: Diaphaneity: Transparent
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Hardness: Hardness: 3 - Calcite
Help on Luminescence: Luminescence: Non-fluorescent and radioactive.
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: yellow white
 

Optical Properties of Phuralumite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.102 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.096 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1704,KPDmeas= 0.1713,KC= 0.1555
Ncalc = 1.54 - 1.55
Help on Optical Data: Optical Data: Biaxial (-), a=1.559, b=1.616, g=1.624, bire=0.0650, 2V(Calc)=38, 2V(Meas)=40.
Help on Pleochroism (y): Pleochroism (y): colorless.
Help on Pleochroism (z): Pleochroism (z): pale yellow.
 

Calculated Properties of Phuralumite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.15 gm/cc
note: Specific Gravity of Phuralumite =3.52 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0040232031
Boson Index = 0.9959767969
Help on Photoelectric: Photoelectric: PEPhuralumite =1,355.02 barns/electron
U=PEPhuralumite x relectron=4,269.26 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 4,077,389.44 (Gamma Ray American Petroleum Institute Units)
Concentration of Phuralumite per GRapi unit = 245.25 (PPB)

Phuralumite 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) 7.46 ± 1.86 grams of pure Phuralumite .
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 745.98 ±186.50 grams of pure Phuralumite .

Estimated Radioactivity from Phuralumite - 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 / 8.16 cm 95,661,490 2.59E-03 4,077,389.44 1,340.51
100 gm / 3.79 cm 9,566,149 2.59E-04 407,738.94 134.05
10 gm / 1.76 cm 956,615 2.59E-05 40,773.89 13.41
1 gm / 8.16 mm 95,661 2.59E-06 4,077.39 1.34
0.1 gm / 3.79 mm 9,566 2.59E-07 407.74 0.13
0.01 gm / 1.76 mm 957 2.59E-08 40.77 0.01
0.001 gm / 0.82 mm 96 2.59E-09 4.08 0.00

Weight of pure Phuralumite in grams (gm) and Calculated Diameter of a Sphere with a Density of 3.52 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
 

Phuralumite Classification
Help on Dana Class: Dana Class: 42.04.06.01 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
  (42.04)where (AB)5 (XO4)2 Zq ˇ x(H2O)
  (42.04.06)Phuralumite Group
 
42.04.06.01 Phuralumite Al2(UO2)3(PO4)2(OH)6•10(H2O) P 21/a 2/m
 
42.04.06.02 Lakebogaite! CaNaFe2H(UO2)2(PO4)4(OH)2(H2O)8 Cc m
Help on Strunz Class: Strunz Class: 08.EC.05 08 - PHOSPHATES, ARSENATES, VANADATES
  08.E - Uranyl Phosphates and Arsenates
  08.EC -UO2:RO4 = 3:2
 
08.EC.05 Francoisite-(Nd) (Nd,Y,Sm,Ce)(UO2)3(PO4)2O(OH)•6(H2O) P 21/c 2/m
 
08.EC.05 Phuralumite Al2(UO2)3(PO4)2(OH)6•10(H2O) P 21/a 2/m
 
08.EC.05 Upalite Al(UO2)3(PO4)2O(OH)•7(H2O) P 21/a 2/m
 
08.EC.05 Francoisite-(Ce)! (Ce,Nd,Ca)[(UO2)3O(OH)(PO4)2]•6(H2O) P 21/c 2/m
 

Other Phuralumite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Phuralumite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - Uranium Minerals
16 - WWW-MINCRYST

Search for Phuralumite using:

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

Visit our Advertisers for Phuralumite :

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 Phuralumite Mineral Data :

Ask about Phuralumite 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 Phuralumite Specimen Label here :

Phuralumite

Al2(UO2)3(PO4)2(OH)6•10(H2O)
Dana No: 42.04.06.01 Strunz No: 08.EC.05
Locality:

 

Notes: