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Ludjibaite

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About LudjibaiteHide

Formula:
Cu5(PO4)2(OH)4
Colour:
Blue-green
Lustre:
Vitreous
Specific Gravity:
4.36 (Calculated)
Crystal System:
Triclinic
Name:
Named for the type locality; the Ludjiba deposit, near the Ludjiba River, Democratic Republic of the Congo.

May overgrow pseudomalachite (which is usually darker then), or may be intergrown with the latter.


Classification of LudjibaiteHide

Approved
Approval Year:
1987
First Published:
1988
Approval History:
IMA1987-009
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
41.4.3.3

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

19 : Phosphates
2 : Phosphates of Cu

Physical Properties of LudjibaiteHide

Vitreous
Transparency:
Translucent, Opaque
Colour:
Blue-green
Streak:
Pale blue to white
Fracture:
Irregular/Uneven
Density:
4.36 g/cm3 (Calculated)

Optical Data of LudjibaiteHide

Type:
Biaxial (+/-)
RI values:
nα = 1.786 nγ = 1.840
Max Birefringence:
δ = 0.054
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
extreme

Chemical Properties of LudjibaiteHide

Formula:
Cu5(PO4)2(OH)4

Crystallography of LudjibaiteHide

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 4.44 Å, b = 5.87 Å, c = 8.68 Å
α = 103.9°, β = 90.3°, γ = 93.2°
Ratio:
a:b:c = 0.756 : 1 : 1.479
Unit Cell V:
219.22 ų (Calculated from Unit Cell)
Morphology:
As bladed crystals, flattened on {011}.
Twinning:
On {011}.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.46 Å(100)
3.02 Å(20)
2.462 Å(50)
2.408 Å(20)
2.353 Å(50)
2.017 Å(20)
1.572 Å(20)

Type Occurrence of LudjibaiteHide

General Appearance of Type Material:
Aggregates of blades
Place of Conservation of Type Material:
Royal Museum of Central Africa, Tervuren, Belgium, RMG4445.
Belgian Royal Institute of Natural Sciences, Brussels, RC3514.
Reference:
Piret, P., Deliens, M. (1988) Description de la ludjibaïte, un polymorphe de la pseudomalachite, Cu5(PO4)2(OH)4. Bulletin de Minéralogie: 111: 167-171.

Synonyms of LudjibaiteHide

Other Language Names for LudjibaiteHide

German:Ludjibait
Spanish:Ludjibaita

Common AssociatesHide

Associated Minerals Based on Photo Data:
8 photos of Ludjibaite associated with PseudomalachiteCu5(PO4)2(OH)4
2 photos of Ludjibaite associated with ChenevixiteCu2Fe3+2(AsO4)2(OH)4
2 photos of Ludjibaite associated with TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
1 photo of Ludjibaite associated with ReichenbachiteCu5(PO4)2(OH)4
1 photo of Ludjibaite associated with LibetheniteCu2(PO4)(OH)
1 photo of Ludjibaite associated with QuartzSiO2

Related Minerals - Nickel-Strunz GroupingHide

8.BD.05CornwalliteCu5(AsO4)2(OH)4Mon. 2/m : P21/b
8.BD.05PseudomalachiteCu5(PO4)2(OH)4Mon. 2/m : P21/b
8.BD.05ReichenbachiteCu5(PO4)2(OH)4Mon. 2/m
8.BD.10ArsenoclasiteMn2+5(AsO4)2(OH)4Orth.
8.BD.10GatehouseiteMn2+5(PO4)2(OH)4Orth. 2 2 2 : P21 21 21
8.BD.15ParweliteMn10Sb2As2Si2O24Mon. m : Bb
8.BD.20ReppiaiteMn2+5(VO4)2(OH)4Mon.
8.BD.30CornubiteCu5(AsO4)2(OH)4Tric. 1 : P1

Related Minerals - Dana Grouping (8th Ed.)Hide

41.4.3.1PseudomalachiteCu5(PO4)2(OH)4Mon. 2/m : P21/b
41.4.3.2ReichenbachiteCu5(PO4)2(OH)4Mon. 2/m

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

19.2.1LibetheniteCu2(PO4)(OH)Orth. mmm (2/m 2/m 2/m) : Pnnm
19.2.2CornetiteCu3(PO4)(OH)3Orth. mmm (2/m 2/m 2/m) : Pbca
19.2.3ReichenbachiteCu5(PO4)2(OH)4Mon. 2/m
19.2.5PseudomalachiteCu5(PO4)2(OH)4Mon. 2/m : P21/b
19.2.6NissoniteCu2Mg2(PO4)2(OH)2 · 5H2OMon.
19.2.7ZapataliteCu3Al4(PO4)3(OH)9 · 4H2OTet.
19.2.8TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2OTric. 1 : P1
19.2.9SieleckiiteCu3Al4(PO4)2(OH)12 · 2H2OMon. 2/m : B2/m
19.2.10PlaneriteAl6(PO4)2(HPO4)2(OH)8 · 4 H2OTric. 1 : P1
19.2.11HentscheliteCuFe3+2(PO4)2(OH)2Mon.
19.2.13ChalcosideriteCuFe3+6(PO4)4(OH)8 · 4H2OTric. 1 : P1
19.2.14Phosphofibrite(H2O,K)3.5Fe8(PO4)6(OH)7 · 5H2OMon. 2/m

Other InformationHide

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 LudjibaiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Shoemaker, G.L., Anderson, J.B., Kostiner, E. (1981) The crystal structure of a third polymorph of Cu5(PO4)2(OH)4. American Mineralogist: 66: 169-175.
Piret, P., Deliens, M. (1988) Description de la ludjibaïte, un polymorphe de la pseudomalachite, Cu5(PO4)2(OH)4. Bulletin de Minéralogie: 111: 167-171.
Jambor, J.L., Burke, E.A.J., Ercit, T.S., Grice, J.D. (1988) New mineral names. American Mineralogist: 73: 1492-1499.
Hyršl, J. (1991) Three polymorphs of Cu5(PO4)2(OH)4 from Lubietová, Czechoslovakia. Neues Jahrbuch für Mineralogie, Monatshefte: 91: 281-287.
Frost, R.L., Kloprogge, T., Williams, P.A., Martens, W., Johnson, T.E., Leverett, P. (2002) Vibrational spectroscopy of the basic copper phosphate minerals: pseudomalachite, ludjibaite and reichenbachite. Spectrochimica Acta Part A-Molecular and Biomolecular Spectroscopy: 58: 2861-2868.
Frost, R.L., Williams, P.A., Martens, W., Kloprogge, J.T., Leverett, P. (2002) Raman spectroscopy of the basic copper phosphate minerals cornetite, libethenite, pseudomalachite, reichenbachite and ludjibaite. Journal of Raman Spectroscopy: 33: 260-263.
Martens, W.N., Frost, R.L., Williams, P.A. (2003) The basic copper phosphate minerals pseudomalachite, ludjibaite and reichenbachite: an infrared emission and Raman spectroscopic study. Neues Jahrbuch für Mineralogie, Monatshefte: 2003: 337-362.
Krivovichev, S.V., Zolotarev, A.A., Popova, V.I. (2016) Hydrogen bonding and structural complexity in the Cu5(PO4)2(OH)4 polymorphs (pseudomalachite, ludjibaite, reichenbachite): combined experimental and theoretical study. Structural Chemistry: 27: 1715-1723.

Internet Links for LudjibaiteHide

Localities for LudjibaiteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Australia
 
  • Northern Territory
    • Coomalie Shire
      • Batchelor
        • Rum Jungle
Vera Munro-Smith (2006) Cobalt Mineralisation in Selected Australian Deposits. PhD thesis, University of Western Sydney.
Austria
 
  • Styria
    • Weiz District
      • 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.
Brazil
 
  • Pará
    • Carajás mineral province
      • Canaã dos Carajás
RRUFF R060413
Chile
 
  • Atacama
    • Chañaral Province
      • Inca de Oro
        • San Pedro de Cachiyuyo District
Uwe Kolitsch (PXRD-analysed)
Czech Republic
 
  • Karlovy Vary Region
    • Karlovy Vary District
Lapis 2002(7/8), 63-65
DR Congo
 
  • Haut-Katanga
    • Kambove District
      • Likasi (Jadotville; Jadotstad)
Lapis (1992) 17(3), 13-40.; Deliens, M. (1996) Overzicht van de mineralogie van de koper-, kobalt- en uraniumvoorkomens in Zuid-Shaba (Zaïre). Pages 35-49 in: Schatten der Aarde. Van mineraal tot juweel. Tentoonstelling in de abdij Saint-Gérard de Brogne van 27 april tot 27 oktober 1996. Catalogus opgemaakt onder de leiding van R. Warin, AGAB en P. Van hee, MKA (in Dutch).
      • Shinkolobwe
Piret, P., Deliens, M. (1988) Description de la ludjibaïte, un polymorphe de la pseudomalachite, Cu5(PO4)2(OH)4. Bulletin de Minéralogie, 111(2), 167-171.; Deliens, M. (1996) Overzicht van de mineralogie van de koper-, kobalt- en uraniumvoorkomens in Zuid-Shaba (Zaïre). Pages 35-49 in: Schatten der Aarde. Van mineraal tot juweel. Tentoonstelling in de abdij Saint-Gérard de Brogne van 27 april tot 27 oktober 1996. Catalogus opgemaakt onder de leiding van R. Warin, AGAB en P. Van hee, MKA (in Dutch).
Germany
 
  • Rhineland-Palatinate
    • Altenkirchen
      • Betzdorf-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
 
  • Attica
    • East Attica
      • Lavreotiki
        • Lavrion District Mines
          • Agios Konstantinos [St Constantine] (Kamariza)
            • Kamariza Mines (Kamareza Mines)
No reference listed
Namibia
 
  • Oshikoto Region
    • Guinas
      • Uris Farm 481
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.; Braithwaite, R. S. W., & Ryback, G. (1994). Reichenbachite from Cornwall and Portugal. Mineralogical Magazine, 58(392), 449-454.
Števko, M. and Sejkora, J. (2016) Nové nálezy sekundárnych minerálov na lokalite Ľubietová-Podlipa a Poniky-Drienok. Minerál, 24, 6, 524-532 (in Slovak).
USA
 
  • New Mexico
    • Hidalgo Co.
      • Pyramid Mts
        • Lordsburg District
          • Lordsburg
            • Virginia District
Walstrom, R.E. (2018) Updated Mineral Lists, Atwood Hill area, Hidalgo County, New Mexico. 39th Annual New Mexico Mineral Symposium Abstracts, p. 15-16.
Robert E.Walstrom Collection
 
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