Mineralogy Database

Ulrichite Mineral Data

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General Ulrichite Information

Help on Chemical  Formula: Chemical Formula: CaCu(UO2)(PO4)2•4(H2O)
Help on Composition: Composition: Molecular Weight = 635.66 gm
   Calcium      6.30 %  Ca    8.82 % CaO
   Uranium     37.45 %  U    42.48 % UO2
   Copper      10.00 %  Cu   12.51 % CuO
   Phosphorus   9.75 %  P    22.33 % P2O5
   Hydrogen     1.27 %  H    11.34 % H2O
   Oxygen      35.24 %  O
              ______        ______ 
              100.00 %       97.48 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaCu(UO2)(PO4)2•4(H2O)
Help on IMA Status: IMA Status: Approved IMA 1988
Help on Locality: Locality: Lake Boga, Victoria, Australia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for G.H.F. Ulrich.
Help on Name Pronunciation: Name Pronunciation: Ulrichite + Pronunciation Say ULRICHITE
Help on Synonym: Synonym: ICSD 54139
  PDF 46-1302
 

Ulrichite Image

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  Ulrichite

Comments: Green ulrichite microcrystal tuft on quartz.
Location: Lake Boga, Victoria, Australia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

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  Ulrichite

Comments: Green, acicular crystals of ulrichite on matrix. Co-type specimen (?) collected by the discoverer, Anthony Fraser.
Location: Lake Boga granite quarry, Lake Boga, Victoria, Australia. Scale: Picture size 2 mm.
© Paul M. Schumacher

Ulrichite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.8273:1:1.8592
Help on Cell Dimensions: Cell Dimensions: a = 12.784, b = 6.996, c = 13.007, Z = 4; beta = 91.92° V = 1,162.65 Den(Calc)= 3.63
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 6.389(1), 3.193(0.45), 2.879(0.2),
 

Physical Properties of Ulrichite

Help on Cleavage: Cleavage: {???} Perfect
Help on Color: Color: Green, Lime green.
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Habit: Habit: Acicular - Occurs as needle-like crystals.
Help on Habit: Habit: Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)
Help on Hardness: Hardness: 3.5 - Copper Penny
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Ulrichite

Help on Gladstone-Dale: Gladstone-Dale: CI calc= -0.07 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.173,KC= 0.1617
Ncalc = 1.59
Help on Optical Data: Optical Data: Biaxial (-), a=1.622, g=1.634, bire=0.0120
 

Calculated Properties of Ulrichite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.32 gm/cc
note: Specific Gravity of Ulrichite =3.63 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.002952289
Boson Index = 0.997047711
Help on Photoelectric: Photoelectric: PEUlrichite = 933.86 barns/electron
U=PEUlrichite x relectron=3,103.77 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 2,922,420.69 (Gamma Ray American Petroleum Institute Units)
Concentration of Ulrichite per GRapi unit = 342.18 (PPB)

Ulrichite 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) 10.41 ± 2.60 grams of pure Ulrichite .
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 1040.8 ±260.20 grams of pure Ulrichite .

Estimated Radioactivity from Ulrichite - 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 / 8.07 cm 67,028,713 1.81E-03 2,922,420.69 960.80
100 gm / 3.75 cm 6,702,871 1.81E-04 292,242.07 96.08
10 gm / 1.74 cm 670,287 1.81E-05 29,224.21 9.61
1 gm / 8.07 mm 67,029 1.81E-06 2,922.42 0.96
0.1 gm / 3.75 mm 6,703 1.81E-07 292.24 0.10
0.01 gm / 1.74 mm 670 1.81E-08 29.22 0.01
0.001 gm / 0.81 mm 67 1.81E-09 2.92 0.00

Weight of pure Ulrichite in grams (gm) and Calculated Diameter of a Sphere with a Density of 3.63 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
 

Ulrichite Classification

Help on  Dana Class: Dana Class: 40.02a.33.01 (40)Hydrated Phosphates, etc
  (40.02a)where A++ (B++)2 (XO4) � x(H2O), containing (UO2)++
  (40.02a.33)Dana Group
 
40.02a.33.01 Ulrichite CaCu(UO2)(PO4)2•4(H2O) C 2/m 2/m
Help on  Strunz Class: Strunz Class: 08.EA.15 08 - PHOSPHATES, ARSENATES, VANADATES
  08.E - Uranyl Phosphates and Arsenates
  08.EA -UO2:RO4 = 1:2
 
08.EA.15 Ulrichite CaCu(UO2)(PO4)2•4(H2O) C 2/m 2/m
 

Other Ulrichite Information

Help on References: References: PHYS. PROP.(Am.Min.,Vol.75,p243,1990) OPTIC PROP.(Am.Min.,Vol.75,p243,1990)
Help on See Also: See Also: Links to other databases for Ulrichite :
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 Ulrichite Specimen Label here :

Ulrichite

CaCu(UO2)(PO4)2•4(H2O)
Dana No: 40.02a.33.01 Strunz No: 08.EA.15
Locality:

 

Notes:

 

 
   
 


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