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Ulrichite

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Lake Boga granite quarry, Lake Boga, Victoria, Australia
© JM. Johannet

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Formula:
CaCu(UO
 
2
)(PO
 
4
)
 
2
 · 4H
 
2
O
System:MonoclinicColour:Apple-green, lime-green
Lustre:VitreousHardness: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

IMA status:Approved 1988
Strunz 8th edition ID:7/E.02-190
Nickel-Strunz 10th (pending) edition ID:8.EA.15

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

40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
2a : AB2(XO4)2·xH2O, containing (UO2)2+
Hey's CIM Ref.:19.11.19

19 : Phosphates
11 : Phosphates of U
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Type Occurrence of Ulrichite

Type Locality:Lake Boga granite quarry, Lake Boga, Victoria, Australia
Year of Discovery:1988

Physical Properties of Ulrichite

Lustre: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
Maximum Birefringence:δ = 0.012

Chart 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(UO
 
2
)(PO
 
4
)
 
2
 · 4H
 
2
O
Essential elements:Ca, Cu, H, O, P, U
All elements listed in formula:Ca, Cu, H, O, P, U

Relationship of Ulrichite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
8.EA.05Orthowalpurgite
(BiO)
 
4
(UO
 
2
)(AsO
 
4
)
 
2
 · 2H
 
2
O
8.EA.05Walpurgite
(BiO)
 
4
(UO
 
2
)(AsO
 
4
)
 
2
 · 3H
 
2
O
8.EA.05Phosphowalpurgite
(BiO)
 
4
(UO
 
2
)(PO
 
4
)
 
2
 · 2H
 
2
O
8.EA.10Hallimondite
Pb
 
2
(UO
 
2
)(AsO
 
4
)
 
2
 · nH
 
2
O, 0 ≤ n ≤ 0.5
8.EA.10Parsonsite
Pb
 
2
(UO
 
2
)(PO
 
4
)
 
2
 · 2H
 
2
O
8.EA.20Lakebogaite
CaNaFe
3+
2
H(UO
 
2
)
 
2
(PO
 
4
)
 
4
(OH)
 
2
 · 8H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
19.11.1Lermontovite
U(PO
 
4
)(OH) · H
 
2
O
19.11.2Metavanmeersscheite
U
6+
 
(UO
 
2
)
 
3
(PO
 
4
)
 
2
(OH)
 
6
 · 2H
 
2
O
19.11.3Vanmeersscheite
U
6+
 
(UO
 
2
)
 
3
(PO
 
4
)
 
2
(OH)
 
6
 · 4H
 
2
O
19.11.4Chernikovite
(H
 
3
O)
 
2
(UO
 
2
)
 
2
(PO
 
4
)
 
2
 · 6H
 
2
O
19.11.5Vyacheslavite
U(PO
 
4
)(OH) · nH
 
2
O
19.11.6Metanatroautunite
Na(UO
 
2
)(PO
 
4
)(H
 
2
O)
 
3
19.11.7Yingjiangite
K
 
2
Ca(UO
 
2
)
 
7
(PO
 
4
)
 
4
(OH)
 
6
 · 6H
 
2
O
19.11.8Meta-ankoleite
K
 
2
(UO
 
2
)
 
2
(PO
 
4
)
 
2
 · 6H
 
2
O
19.11.9Uramphite
(NH
 
4
)
 
2
(UO
 
2
)
 
2
(PO
 
4
)
 
2
 · 6H
 
2
O
19.11.10Torbernite
Cu(UO
 
2
)
 
2
(PO
 
4
)
 
2
 · 12H
 
2
O
19.11.11Metatorbernite
Cu(UO
 
2
)
 
2
(PO
 
4
)
 
2
 · 8H
 
2
O
19.11.12Saléeite
Mg(UO
 
2
)
 
2
(PO
 
4
)
 
2
 · 10H
 
2
O
19.11.13Ningyoite
CaU(PO
 
4
)
 
2
 · 1-2H
 
2
O
19.11.14Meta-autunite
Ca(UO
 
2
)
 
2
(PO
 
4
)
 
2
 · 6-8H
 
2
O
19.11.15Autunite
Ca(UO
 
2
)
 
2
(PO
 
4
)
 
2
 · 11H
 
2
O
19.11.16Pseudo-autunite
(H
 
3
O)
 
4
Ca
 
2
(UO
 
2
)
 
2
(PO
 
4
)
 
4
 · 5H
 
2
O
19.11.17Phurcalite
Ca
 
2
(UO
 
2
)
 
3
(PO
 
4
)
 
2
O
 
2
 · 7H
 
2
O
19.11.18Phosphuranylite
(H
 
3
O)
 
3
KCa(UO
 
2
)
 
7
(PO
 
4
)
 
4
O
 
4
 · 8H
 
2
O
19.11.20Bergenite
Ca
 
2
Ba
 
4
(UO
 
2
)
 
9
(PO
 
4
)
 
6
O
 
6
 · 16H
 
2
O
19.11.21Metauranocircite
Ba(UO
 
2
)
 
2
(PO
 
4
)
 
2
 · 7H
 
2
O
19.11.22Uranocircite
Ba(UO
 
2
)
 
2
(PO
 
4
)
 
2
 · 10H
 
2
O
19.11.23Ranunculite
HAl(UO
 
2
)(PO
 
4
)(OH)
 
3
 · 4H
 
2
O
19.11.24Triangulite
Al
 
3
(UO
 
2
)
 
4
(PO
 
4
)
 
4
(OH)
 
5
 · 5H
 
2
O
19.11.25Mundite
Al(UO
 
2
)
 
3
(PO
 
4
)
 
2
(OH)
 
3
 · 5.5H
 
2
O
19.11.26Upalite
Al(UO
 
2
)
 
3
(PO
 
4
)
 
2
O(OH) · 7H
 
2
O
19.11.27Furongite
Al
 
13
(UO
 
2
)
 
7
(PO
 
4
)
 
13
(OH)
 
14
 · 58H
 
2
O
19.11.28Threadgoldite
Al(UO
 
2
)
 
2
(PO
 
4
)
 
2
(OH) · 8H
 
2
O
19.11.29Phuralumite
Al
 
2
(UO
 
2
)
 
3
(PO
 
4
)
 
3
(OH)
 
2
 · 13H
 
2
O
19.11.30Moreauite
Al
 
3
(UO
 
2
)(PO
 
4
)
 
3
(OH)
 
2
 · 13H
 
2
O
19.11.31Sabugalite
HAl(UO
 
2
)
 
4
(PO
 
4
)
 
4
 · 16H
 
2
O
19.11.32Uranospathite
(Al,☐)(UO
 
2
)
 
2
(PO
 
4
)
 
2
F · 20(H
 
2
O,F)
19.11.33Althupite
AlTh(UO
 
2
)
 
7
(PO
 
4
)
 
4
(OH)
 
5
O
 
2
 · 15H
 
2
O
19.11.34Françoisite-(Nd)
(Nd,Ce,Sm)(UO
 
2
)
 
3
(PO
 
4
)
 
2
O(OH) · 6H
 
2
O
19.11.35Kivuite
(Th,Ca,Pb)(UO
 
2
)
 
4
(HPO
 
4
)
 
2
(OH)
 
8
 · 7H
 
2
O
19.11.36Parsonsite
Pb
 
2
(UO
 
2
)(PO
 
4
)
 
2
 · 2H
 
2
O
19.11.37Dewindtite
H
 
2
Pb
 
3
(UO
 
2
)
 
2
(PO
 
4
)
 
4
O
 
4
 · 12H
 
2
O
19.11.38Dumontite
Pb
 
2
(UO
 
2
)
 
3
(PO
 
4
)
 
2
(OH)
 
4
 · 3H
 
2
O
19.11.39Przhevalskite
Pb
 
2
(UO
 
2
)
 
3
(PO
 
4
)
 
2
(OH)
 
4
 · 3H
 
2
O
19.11.40Lehnerite
Mn
2+
 
(UO
 
2
)
 
2
(PO
 
4
)
 
2
 · 8H
 
2
O
19.11.41Bassetite
Fe
2+
 
(UO
 
2
)
 
2
(PO
 
4
)
 
2
 · 8H
 
2
O
19.11.42Vochtenite
(Fe
2+
 
,Mg)Fe
3+
 
(UO
 
2
)
 
4
(PO
 
4
)
 
4
(OH) · 12-13H
 
2
O

Other Names for Ulrichite

Synonyms:
IMA1988-006Ulrichite (of Birch et al.)
Other Languages:
German:Ulrichit
Russian:Ульрихит
Spanish:Ulrichita

Other Information

Fluorescence in UV light:Very strong deep yellow
fluorescence in SW UV light (Knut Eldjarn, pers. comm., 2006)
Health Warning: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

Search Engines:
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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Ulrichite details from Handbook of Mineralogy (PDF)
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    • Localities for Ulrichite

    The 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.
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    (TL) indicates type locality. ? 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
      • Lake Boga
    		[Austral.Mineral.(1988) 3, 125-134; Clark, 1993 - "Hey's Mineral Index"]
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