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Ludjibaite

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Shituru Mine, Likasi, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)
© Brent Thorne

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Formula:
Cu
 
5
(PO
 
4
)
 
2
(OH)
 
4
System:TriclinicColour:Blue-green
Lustre:Vitreous
Polymorph of:Pseudomalachite, Reichenbachite
This page provides mineralogical data about Ludjibaite.

Classification of Ludjibaite

IMA status:Approved 1987
Strunz 8th edition ID:7/B.11-10
Nickel-Strunz 10th (pending) edition ID:8.BD.25

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
D : With only medium-sized cations, (OH, etc.):RO4= 2:1
Dana 8th edition ID:41.4.3.3

41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
4 : (AB)5(XO4)2Zq
Hey's CIM Ref.:19.2.4

19 : Phosphates
2 : Phosphates of Cu
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Type Occurrence of Ludjibaite

Type Locality:Ludjiba Mts, Shinkolobwe, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)
Year of Discovery:1988

Physical Properties of Ludjibaite

Lustre:Vitreous
Colour:Blue-green

Crystallography of Ludjibaite

Crystal System:Triclinic
Class (H-M):1 - Pinacoidal
Space Group:P1
Cell Parameters:a = 4.44Å, b = 5.87Å, c = 8.68Å
α = 103.9°, β = 90.3°, γ = 93.2°
Ratio:a:b:c = 0.756 : 1 : 1.479
Unit Cell Volume:V 219.22 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
d-spacingIntensity
4.46 (100)
3.02 (20)
2.462 (50)
2.408 (20)
2.353 (50)
2.017 (20)
1.572 (20)

Optical Data of Ludjibaite

Type:Biaxial (+/-)
RI values: nα = 1.786 nγ = 1.840
Maximum Birefringence:δ = 0.054

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:extreme

Chemical Properties of Ludjibaite

Formula:
Cu
 
5
(PO
 
4
)
 
2
(OH)
 
4
Essential elements:Cu, H, O, P
All elements listed in formula:Cu, H, O, P

Relationship of Ludjibaite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
8.BD.05Cornwallite
Cu
 
5
(AsO
 
4
)
 
2
(OH)
 
4
8.BD.05Pseudomalachite
Cu
 
5
(PO
 
4
)
 
2
(OH)
 
4
8.BD.05Reichenbachite
Cu
 
5
(PO
 
4
)
 
2
(OH)
 
4
8.BD.10Arsenoclasite
Mn
2+
5
(AsO
 
4
)
 
2
(OH)
 
4
8.BD.10Gatehouseite
Mn
2+
5
(PO
 
4
)
 
2
(OH)
 
4
8.BD.15Parwelite
Mn
 
10
Sb
 
2
As
 
2
Si
 
2
O
 
24
8.BD.20Reppiaite
Mn
2+
5
(VO
 
4
)
 
2
(OH)
 
4
8.BD.30Cornubite
Cu
 
5
(AsO
 
4
)
 
2
(OH)
 
4
Related Minerals - Hey's Index Grouping:

- +
19.2.1Libethenite
Cu
 
2
(PO
 
4
)(OH)
19.2.2Cornetite
Cu
 
3
(PO
 
4
)(OH)
 
3
19.2.3Reichenbachite
Cu
 
5
(PO
 
4
)
 
2
(OH)
 
4
19.2.5Pseudomalachite
Cu
 
5
(PO
 
4
)
 
2
(OH)
 
4
19.2.6Nissonite
Cu
 
2
Mg
 
2
(PO
 
4
)
 
2
(OH)
 
2
 · 5H
 
2
O
19.2.7Zapatalite
Cu
 
3
Al
 
4
(PO
 
4
)
 
3
(OH)
 
9
 · 4H
 
2
O
19.2.8Turquoise
Cu(Al,Fe
3+
 
)
 
6
(PO
 
4
)
 
4
(OH)
 
8
 · 4H
 
2
O
19.2.9Sieleckiite
Cu
 
3
Al
 
4
(PO
 
4
)
 
2
(OH)
 
12
 · 2H
 
2
O
19.2.10Planerite
Al
 
6
(PO
 
4
)
 
2
(HPO
 
4
)
 
2
(OH)
 
8
 · 4 H
 
2
O
19.2.11Hentschelite
CuFe
3+
2
(PO
 
4
)
 
2
(OH)
 
2
19.2.13Chalcosiderite
Cu(Fe
3+
 
,Al)
 
6
(PO
 
4
)
 
4
(OH)
 
8
 · 4H
 
2
O
19.2.14Phosphofibrite
K
 
<0.5
(Fe
3+
 
,Cu)
 
8
(PO
 
4
)
 
6
(OH)
 
7
 · 7H
 
2
O

Other Names for Ludjibaite

Synonyms:
IMA1987-009
Other Languages:
German:Ludjibait
Spanish:Ludjibaita

Other Information

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 Ludjibaite

Reference List:

- +
American Mineralogist (1981): 66: 169-175.

American Mineralogist (1988): 73: 1495.

Neues Jahrbuch für Mineralogie, Monatshefte (1991): 281.

Internet Links for Ludjibaite

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    • Localities for Ludjibaite

    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.
    Hide Locality List
    (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.
    Austria
     
    • Styria
      • Fischbacher Alpen Mts
        • Fischbach
          • Falkenstein
    		Kolitsch, U. (2010): 1664) Azurit, Brochantit, Carbonatcyanotrichit, Cyanotrichit, Jarosit, Ludjibait, Malachit, Pseudomalachit und weitere Mineralien vom Quarzitsteinbruch bei Falkenstein, Fischbach, Fischbacher Alpen, Steiermark. Pp. 248-250 in Niedermayr et al. (2010): Neue Mineralfunde aus Österreich LIX. Carinthia II, 200./120., 199-260.
    Chile
     
    • Atacama Region
      • Chañaral Province
        • Inca de Oro
          • San Pedro de Cachiyuyo District
    		Uwe Kolitsch (PXRD-analysed)
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Karlovy Vary Region
        • Krušné Hory Mts (Erzgebirge)
          • Jáchymov (St Joachimsthal) District
    		Lapis 2002(7/8), 63-65
    Democratic Republic of Congo (Zaïre)
     
    • Katanga (Shaba)
      • Katanga Copper Crescent
        • Likasi
    		Lapis 17(3), 13-40 (1992)
        • Shinkolobwe
    		Bull. Mineral., 1988, 111
    Germany
     
    • Rhineland-Palatinate
      • Siegerland
        • Gebhardshain
          • Kausen
    		Blaß, G., Graf, H.W. & Reinhardt, M. (1995): Die ehemalige Grube 'Käusersteimel' im Siegerland - der 3. Fundort für das Kupferphosphat Ludjibait. Mineralien-Welt, 6 (5), 11-15.; Wittern: "Mineralfundstellen in Deutschland", 2001
    Greece
     
    • Attikí (Attica; Attika) Prefecture
      • Lavrion (Laurion; Laurium) District
        • Lavrion District Mines
          • Agios Konstantinos [St Constantine] (Kamariza)
            • Kamariza Mines (Kamareza Mines)
    		No reference listed
    Namibia
     
    • Otjozondjupa Region
      • Otavi
        • Uris 481 farm
    		SMLS Journal 184 (July/August 2003) p.4
    Slovakia
     
    • Banská Bystrica Region
      • Banská Bystrica Co.
        • Ľubietová
    		Hyršl, J. (1991): Three polymorphs of Cu5(PO4)2(OH) from Ľubietová, Czechoslovakia. N. Jb. Miner. Mh., 6, 281-287.
    Mineral and/or Locality
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    Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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