Ludjibaite (original) (raw)

A valid IMA mineral species

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About LudjibaiteHide

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Specific Gravity:

4.36 (Calculated)

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.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:2451:4

f19db0e3-9b2f-45b3-a3e0-643ee045a38b

IMA Classification of LudjibaiteHide

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Approval history:

IMA1987-009

Type description reference:

Classification of LudjibaiteHide

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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

Mineral SymbolsHide

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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Symbol Source Reference
Ldj IMA–CNMNC Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of LudjibaiteHide

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Transparency:

Translucent, Opaque

Streak:

Pale blue to white

Fracture:

Irregular/Uneven

Density:

4.36 g/cm3 (Calculated)

Optical Data of LudjibaiteHide

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RI values:

_n_α = 1.786 _n_γ = 1.840

δ = 0.054

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Chemistry of LudjibaiteHide

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Mindat Formula:

Cu5(PO4)2(OH)4

Crystallography of LudjibaiteHide

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Class (H-M):

1 - Pinacoidal

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}.

Crystal StructureHide

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ID Species Reference Link Year Locality Pressure (GPa) Temp (K)
0000808 Ludjibaite 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 1981 0 293

CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

d-spacing Intensity
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)

Geological EnvironmentHide

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Type Occurrence of LudjibaiteHide

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General Appearance of Type Material:

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

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Other Language Names for LudjibaiteHide

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Common AssociatesHide

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Associated Minerals Based on Photo Data:

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Other InformationHide

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Health Risks:

No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

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References for LudjibaiteHide

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Reference List:

Frost, Ray L, Kloprogge, Theo, Williams, Peter A, Martens, Wayde, Johnson, Therese E, Leverett, Peter (2002) Vibrational spectroscopy of the basic copper phosphate minerals: pseudomalachite, ludjibaite and reichenbachite. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 58 (13) 2861-2868 doi:10.1016/s1386-1425(02)00034-3

Frost, Ray L., Williams, Peter A., Martens, Wayde, Kloprogge, J. Theo, Leverett, Peter (2002) Raman spectroscopy of the basic copper phosphate minerals cornetite, libethenite, pseudomalachite, reichenbachite and ludjibaite. Journal of Raman Spectroscopy, 33 (4). 260-263 doi:10.1002/jrs.850

Majzlan, J., Števko, M., Plášil, J., Sejkora, J., Dachs, E. (2023) Thermodynamics of the Cu, Zn, and Cu-Zn phases: zincolivenite, adamite, olivenite, ludjibaite, strashimirite, and slavkovite. Journal of GEOsciences, 68 (1) 67-80 doi:10.3190/jgeosci.367

Localities for LudjibaiteHide

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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

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- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.

Australia
Northern Territory Coomalie Shire Batchelor Rum Jungle Brown's Prospect Vera Munro-Smith (2006)
Austria
Styria Weiz District Fischbach Falkenstein Quartzite quarry (Steinbruch Rohrdorfer; Tanzer quarry) Kolitsch (2010)
Brazil
Pará Canaã dos Carajás Sossego Mine RRUFF R060413
Chile
Atacama Chañaral Province Diego de Almagro San Pedro de Cachiyuyo mining district Manto Cuba Mine Uwe Kolitsch (PXRD-analysed)
Czech Republic
Karlovy Vary Region Karlovy Vary District Jáchymov Lapis 2002 (7/8)
DR Congo (TL)
Haut-Katanga Kambove Territory Shinkolobwe Ludjiba prospect (TL) Piret et al. (1988) +1 other reference
Likasi Shituru Mine Lapis (1992) +1 other reference
Germany
Rhineland-Palatinate Altenkirchen Betzdorf-Gebhardshain Kausen Käusersteimel Mine Blaß et al. (1995) +1 other reference
Greece
Attica East Attica Lavreotiki Lavrion mining district Agios Konstantinos (Kamariza) Mercati mines Christiana Mine Wendel et al. (1999)
Namibia
Oshikoto Region Guinas Uris Farm 481 Alt Bobos Mine SMLS Journal 184 (July/August 2003)
Portugal
Évora Vila Viçosa Nossa Senhora da Conceição e São Bartolomeu Miguel Vacas Mine Pedro Alves collection and analytical ...
Slovakia
Banská Bystrica Region Banská Bystrica District Ľubietová Podlipa deposit Hyršl (1991) +1 other reference
Rainer mining field Števko et al. (2016)
USA
New Mexico Hidalgo County Pyramid Mountains Lordsburg Mining District Lordsburg Virginia District Atwood-Henry Clay Mine (Alamo Mine) Walstrom (2018)
General Jerry Boyle Robert E.Walstrom Collection
Pole Line prospect Walstrom (n.d.)