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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 to:
  • Meta-autunite Group
    • 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
    		(H
     
    2
    		O)
     
    8
    Related Minerals - Hey's Index Grouping:

    - +
    19.11.1Lermontovite
    UPO
     
    4
    		·OH·H
     
    2
    		O
    19.11.2Metavanmeersscheite
    U
    4+
     
    		(UO
     
    2
    		)
     
    3
    		[(OH)
     
    2
    		|PO
     
    4
    		]
     
    2
    		 · 2H
     
    2
    		O
    19.11.3Vanmeersscheite
    U
    4+
     
    		(UO
     
    2
    		)
     
    3
    		[(OH)
     
    2
    		|PO
     
    4
    		]
     
    2
    		 · 4H
     
    2
    		O
    19.11.4Chernikovite
    (H
     
    3
    		O)
     
    2
    		(UO
     
    2
    		)
     
    2
    		[PO
     
    4
    		]
     
    2
    		 · 6H
     
    2
    		O
    19.11.5Vyacheslavite
    UPO
     
    4
    		(OH)·nH
     
    2
    		O
    19.11.6Metanatroautunite
    NaUO
     
    2
    		PO
     
    4
    		·4H
     
    2
    		O
    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
    		[O|PO
     
    4
    		]
     
    2
    		 · 7H
     
    2
    		O
    19.11.18Phosphuranylite
    (H
     
    3
    		O)
     
    3
    		KCa(UO
     
    2
    		)
     
    7
    		[O|PO
     
    4
    		]
     
    4
    		 · 8H
     
    2
    		O
    19.11.20Bergenite
    Ca
     
    2
    		Ba
     
    4
    		[(UO
     
    2
    		)
     
    3
    		O
     
    2
    		(PO
     
    4
    		)
     
    2
    		]
     
    3
    		·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
    HAlUO
     
    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
    		[(OH)
     
    3
    		|(PO
     
    4
    		)
     
    2
    		] · 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
    		[OH|(PO
     
    4
    		)
     
    2
    		] · 8H
     
    2
    		O
    19.11.29Phuralumite
    Al
     
    2
    		(UO
     
    2
    		)
     
    3
    		[(OH)
     
    2
    		|(PO
     
    4
    		)
     
    3
    		] · 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
    HAl(UO
     
    2
    		)
     
    4
    		(PO
     
    4
    		)
     
    4
    		·40H
     
    2
    		O
    19.11.33Althupite
    AlTh(UO
     
    2
    		)
     
    7
    		[O
     
    2
    		|(OH)
     
    5
    		|(PO
     
    4
    		)
     
    4
    		] · 15H
     
    2
    		O
    19.11.34Françoisite-(Nd)
    (Nd,Ce,Sm)(UO
     
    2
    		)
     
    3
    		[O|OH|(PO
     
    4
    		)
     
    2
    		] · 6H
     
    2
    		O
    19.11.35Kivuite
    H
     
    2
    		Th(UO
     
    2
    		)
     
    3
    		[O|OH|(PO
     
    4
    		)
     
    2
    		] · 6H
     
    2
    		O (?)
    19.11.36Parsonsite
    Pb
     
    2
    		(UO
     
    2
    		)[PO
     
    4
    		]
     
    2
    		 · 2H
     
    2
    		O
    19.11.37Dewindtite
    Pb(UO
     
    2
    		)
     
    3
    		[OH|PO
     
    4
    		]
     
    2
    		 · 3H
     
    2
    		O
    19.11.38Dumontite
    Pb
     
    2
    		(UO
     
    2
    		)
     
    3
    		[(OH)
     
    2
    		|PO
     
    4
    		]
     
    2
    		 · 3H
     
    2
    		O
    19.11.39Przhevalskite
    Pb
     
    2
    		(UO
     
    2
    		)
     
    3
    		[(OH)
     
    2
    		|PO
     
    4
    		]
     
    2
    		 · 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
    		[OH|(PO
     
    4
    		)
     
    4
    		] · 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

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  • Raman and XRD data at RRUFF project
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    Localities for Ulrichite

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    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"]
    Mineral and/or Locality
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