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Ludjibaite

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Formula:
Cu5(PO4)2(OH)4
System:
Triclinic
Colour:
Blue-green
Lustre:
Vitreous
This page provides mineralogical data about Ludjibaite.


Classification of Ludjibaite

Approved
Approval Year:
1987
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 Ludjibaite

Vitreous
Colour:
Blue-green

Optical Data of Ludjibaite

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 Ludjibaite

Formula:
Cu5(PO4)2(OH)4
Elements listed in formula:

Crystallography of Ludjibaite

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 Volume:
V 219.22 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction Data:
d-spacingIntensity
4.46 (100)
3.02 (20)
2.462 (50)
2.408 (20)
2.353 (50)
2.017 (20)
1.572 (20)

Type Occurrence of Ludjibaite

Relationship of Ludjibaite to other Species

8.BD.05CornwalliteCu5(AsO4)2(OH)4
8.BD.05PseudomalachiteCu5(PO4)2(OH)4
8.BD.05ReichenbachiteCu5(PO4)2(OH)4
8.BD.10ArsenoclasiteMn52+(AsO4)2(OH)4
8.BD.10GatehouseiteMn52+(PO4)2(OH)4
8.BD.15ParweliteMn10Sb2As2Si2O24
8.BD.20ReppiaiteMn52+(VO4)2(OH)4
8.BD.30CornubiteCu5(AsO4)2(OH)4
19.2.1LibetheniteCu2(PO4)(OH)
19.2.2CornetiteCu3(PO4)(OH)3
19.2.3ReichenbachiteCu5(PO4)2(OH)4
19.2.5PseudomalachiteCu5(PO4)2(OH)4
19.2.6NissoniteCu2Mg2(PO4)2(OH)2 · 5H2O
19.2.7ZapataliteCu3Al4(PO4)3(OH)9 · 4H2O
19.2.8TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
19.2.9SieleckiiteCu3Al4(PO4)2(OH)12 · 2H2O
19.2.10PlaneriteAl6(PO4)2(HPO4)2(OH)8 · 4 H2O
19.2.11HentscheliteCuFe23+(PO4)2(OH)2
19.2.13ChalcosideriteCuFe63+(PO4)4(OH)8 · 4H2O
19.2.14Phosphofibrite(H2O,K)3.5Fe8(PO4)6(OH)7 · 5H2O

Other Names for Ludjibaite

Name in Other Languages:
German:Ludjibait
Spanish:Ludjibaita

Other Information

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 Ludjibaite

Reference List:
American Mineralogist (1981): 66: 169-175.

American Mineralogist (1988): 73: 1495.

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

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.

http://virtualcollections.naturalsciences.be/virtual-collections/geology/mineralogy/mineralogy-types/ludjibaite-rc3514

Internet Links for Ludjibaite

mindat.org URL:
https://www.mindat.org/min-2451.html
Please feel free to link to this page.

Localities for Ludjibaite

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.
(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
 
  • 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
    • Fischbacher Alpen
      • 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 District (St Joachimsthal)
Lapis 2002(7/8), 63-65
Democratic Republic of Congo (Zaïre)
 
  • Katanga (Shaba)
    • Katanga Copper Crescent
      • Likasi (Jadotville; Jadotstad)
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 Prefecture (Attica; Attika)
    • Lavrion District (Laurion; Laurium)
      • Lavrion District Mines
        • Agios Konstantinos [St Constantine] (Kamariza)
          • Kamariza Mines (Kamareza Mines)
No reference listed
Namibia
 
  • Otjozondjupa Region
    • Otavi
      • Uris Farm 481
SMLS Journal 184 (July/August 2003) p.4
Slovakia
 
  • Banská Bystrica Region
    • Banská Bystrica Co.
      • Ľubietová (Libetbánya; Libethen)
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.
Martin Števko-unpublished, PXRD and EMPA-WDS confirmed
Mineral and/or Locality  
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