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Ulrichite

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Formula:
CaCu(UO2)(PO4)2 · 4H2O
System:
Monoclinic
Colour:
Apple-green, lime-green
Lustre:
Vitreous
Hardness:
3 - 3½
Name:
Named in honour of George Henry Frederick Ulrich (1830–1900), for his contributions to the mineralogy of Victoria, Australia.
This page provides mineralogical data about Ulrichite.

Classification of Ulrichite

Approved 1988
7/E.02-190
8.EA.15

8 : PHOSPHATES, ARSENATES, VANADATES
E : Uranyl phosphates and arsenates
A : UO2:RO4 = 1:2
40.2a.30.1

40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
2a : AB2(XO4)2·xH2O, containing (UO2)2+
19.11.19

19 : Phosphates
11 : Phosphates of U
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http://www.mindat.org/min-4088.html
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First Recorded Occurrence of Ulrichite

Year of Discovery:
1988

Physical Properties of Ulrichite

Vitreous
Diaphaneity (Transparency):
Transparent, Translucent
Colour:
Apple-green, lime-green
Streak:
White
Hardness (Mohs):
3 - 3½
Cleavage:
Perfect

Crystallography of Ulrichite

Crystal System:
Monoclinic
Cell Parameters:
a = 12.79Å, b = 6.85Å, c = 13.02Å
β = 91.03°
Ratio:
a:b:c = 1.867 : 1 : 1.901
Unit Cell Volume:
V 1,140.52 ų (Calculated from Unit Cell)

Optical Data of Ulrichite

Type:
Biaxial (-)
RI values:
nα = 1.622 nγ = 1.634
Max Birefringence:
δ = 0.012
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r > v to r < v strong

Chemical Properties of Ulrichite

Formula:
CaCu(UO2)(PO4)2 · 4H2O
Essential elements:
All elements listed in formula:

Relationship of Ulrichite to other Species

8.EA.05Orthowalpurgite(BiO)4(UO2)(AsO4)2 · 2H2O
8.EA.05Walpurgite(BiO)4(UO2)(AsO4)2 · 3H2O
8.EA.05Phosphowalpurgite(BiO)4(UO2)(PO4)2 · 2H2O
8.EA.10HallimonditePb2(UO2)(AsO4)2 · nH2O, 0 ≤ n ≤ 0.5
8.EA.10ParsonsitePb2(UO2)(PO4)2 · 2H2O
8.EA.20LakebogaiteCaNaFe23+H(UO2)2(PO4)4(OH)2 · 8H2O
19.11.1LermontoviteU(PO4)(OH) · H2O
19.11.2MetavanmeersscheiteU6+(UO2)3(PO4)2(OH)6 · 2H2O
19.11.3VanmeersscheiteU6+(UO2)3(PO4)2(OH)6 · 4H2O
19.11.4Chernikovite(H3O)2(UO2)2(PO4)2 · 6H2O
19.11.5VyacheslaviteU(PO4)(OH) · nH2O
19.11.6MetanatroautuniteNa(UO2)(PO4)(H2O)3
19.11.7YingjiangiteK2Ca(UO2)7(PO4)4(OH)6 · 6H2O
19.11.8Meta-ankoleiteK2(UO2)2(PO4)2 · 6H2O
19.11.9Uramphite(NH4)2(UO2)2(PO4)2 · 6H2O
19.11.10TorberniteCu(UO2)2(PO4)2 · 12H2O
19.11.11MetatorberniteCu(UO2)2(PO4)2 · 8H2O
19.11.12SaléeiteMg(UO2)2(PO4)2 · 10H2O
19.11.13NingyoiteCaU(PO4)2 · 1-2H2O
19.11.14Meta-autuniteCa(UO2)2(PO4)2 · 6-8H2O
19.11.15AutuniteCa(UO2)2(PO4)2 · 11H2O
19.11.16Pseudo-autunite(H3O)4Ca2(UO2)2(PO4)4 · 5H2O
19.11.17PhurcaliteCa2(UO2)3(PO4)2O2 · 7H2O
19.11.18Phosphuranylite(H3O)3KCa(UO2)7(PO4)4O4 · 8H2O
19.11.20BergeniteCa2Ba4(UO2)9(PO4)6O6 · 16H2O
19.11.21Metauranocircite-IBa(UO2)2(PO4)2 · 7H2O
19.11.22UranocirciteBa(UO2)2(PO4)2 · 10H2O
19.11.23RanunculiteHAl(UO2)(PO4)(OH)3 · 4H2O
19.11.24TrianguliteAl3(UO2)4(PO4)4(OH)5 · 5H2O
19.11.25MunditeAl(UO2)3(PO4)2(OH)3 · 5.5H2O
19.11.26UpaliteAl(UO2)3(PO4)2O(OH) · 7H2O
19.11.27FurongiteAl13(UO2)7(PO4)13(OH)14 · 58H2O
19.11.28ThreadgolditeAl(UO2)2(PO4)2(OH) · 8H2O
19.11.29PhuralumiteAl2(UO2)3(PO4)3(OH)2 · 13H2O
19.11.30MoreauiteAl3(UO2)(PO4)3(OH)2 · 13H2O
19.11.31SabugaliteHAl(UO2)4(PO4)4 · 16H2O
19.11.32Uranospathite(Al,☐)(UO2)2(PO4)2F · 20(H2O,F)
19.11.33AlthupiteAlTh(UO2)7(PO4)4(OH)5O2 · 15H2O
19.11.34Françoisite-(Nd)(Nd,Ce,Sm)(UO2)3(PO4)2O(OH) · 6H2O
19.11.35Kivuite(Th,Ca,Pb)(UO2)4(HPO4)2(OH)8 · 7H2O
19.11.36ParsonsitePb2(UO2)(PO4)2 · 2H2O
19.11.37DewindtiteH2Pb3(UO2)2(PO4)4O4 · 12H2O
19.11.38DumontitePb2(UO2)3(PO4)2(OH)4 · 3H2O
19.11.39PrzhevalskitePb2(UO2)3(PO4)2(OH)4 · 3H2O
19.11.40LehneriteMn2+(UO2)2(PO4)2 · 8H2O
19.11.41BassetiteFe2+(UO2)2(PO4)2 · 8H2O
19.11.42Vochtenite(Fe2+,Mg)Fe3+(UO2)4(PO4)4(OH) · 12-13H2O

Other Names for Ulrichite

Name in Other Languages:
German:Ulrichit
Spanish:Ulrichita

Other Information

Very strong deep yellow
fluorescence in SW UV light (Knut Eldjarn, pers. comm., 2006)
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Ulrichite

Reference List:
Birch, W. D., Mumme, W. G. & Segnit, E. R. (1988): Ulrichite: a new copper calcium uranium phosphate from Lake Boga, Victoria, Australia. Australian Mineralogist: 3(3): 125-131.

American Mineralogist (1990): 75: 243.

Kolitsch, U. and G. Giester (2001): Revision of the crystal structure of ulrichite, CaCu2+(UO2)(PO4)2•4H2O. Mineralogical Magazine: 65: 717-724.

Burns, P.C. (2005) U 6+ minerals and inorganic compounds: insights into an expanded structural hierarchy of crystal structures. Canadian Mineralogist: 43: 1839-1894.

Internet Links for Ulrichite

Localities for Ulrichite

map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Australia
 
  • Victoria
    • Swan Hill Rural City
      • Lake Boga
[Austral.Mineral.(1988) 3, 125-134; Clark, 1993 - "Hey's Mineral Index"]; W.D. Birch & D.A.Henry 1993. Phosphate Minerals of Victoria, The Mineralogical Society of Victoria special publication No. 3, pp. 14-27; D.A.Henry & W.D.Birch 1998. Sampleite and associated minerals from Lake Boga granite quarry, Victoria, Australia. Australian Mineralogist Vol. 3 Oct.-Dec. 1988, pp. 135-148
Mineral and/or Locality  
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