Rodalquilarite
A valid IMA mineral species
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About Rodalquilarite
Discovering engineer next to the collapsed entrance to 340
Filón 340, Rodalquilar, Níjar, Almería, Andalusia, Spain
Filón 340, Rodalquilar, Níjar, Almería, Andalusia, Spain
Formula:
Fe2(TeO2OH)3(TeO3)Cl
Colour:
Emerald- to grass-green
Lustre:
Greasy
Hardness:
2 - 3
Specific Gravity:
4.97 - 5.15
Crystal System:
Triclinic
Name:
For the type locality at Rodalquilar, Níjar, Almería, Andalusia, Spain.
Type Locality:
This page provides mineralogical data about Rodalquilarite.
Unique Identifiers
Mindat ID:
3435
Long-form identifier:
mindat:1:1:3435:3
IMA Classification of Rodalquilarite
Approved
IMA Formula:
H3Fe3+2(Te4+O3)4Cl
Approval year:
1967
First published:
1968
Classification of Rodalquilarite
4.JL.05
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
J : Arsenites, antimonites, bismuthites, sulfites, selenites, tellurites; iodates
L : Tellurites with additional anions, without H2O
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
J : Arsenites, antimonites, bismuthites, sulfites, selenites, tellurites; iodates
L : Tellurites with additional anions, without H2O
34.6.2.1
34 : SELENITES, TELLURITES AND SULFITES
6 : Anhydrous Selenites, Tellurites and Sulfites containing Hydroxyl or Halogen
34 : SELENITES, TELLURITES AND SULFITES
6 : Anhydrous Selenites, Tellurites and Sulfites containing Hydroxyl or Halogen
28.3.26
28 : Selenites, Selenates, Tellurites, and Tellurates
3 : Tellurites
28 : Selenites, Selenates, Tellurites, and Tellurates
3 : Tellurites
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference for Standard |
|---|---|---|
| Raq | 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 Rodalquilarite
Greasy
Transparency:
Translucent
Colour:
Emerald- to grass-green
Streak:
Greenish yellow
Hardness:
2 - 3 on Mohs scale
Tenacity:
Very brittle
Cleavage:
Distinct/Good
One good cleavage
One good cleavage
Density:
4.97 - 5.15 g/cm3 (Measured) 5.11(3) g/cm3 (Calculated)
Optical Data of Rodalquilarite
Type:
Biaxial (-)
RI values:
nα = 2.1 nγ = 2.2
2V:
Measured: 38°
Max. Birefringence:
δ = 0.100
Based on recorded range of RI values above.
Based on recorded range of RI values above.
Interference Colours:
The colours simulate birefringence patterns seen in thin section under crossed polars. They do not take into account mineral colouration or opacity.
Michel-Levy Bar The default colours simulate the birefringence range for a 30 µm thin-section thickness. Adjust the slider to simulate a different thickness.
Grain Simulation You can rotate the grain simulation to show how this range might look as you rotated a sample under crossed polars. Each grain retains its interference colour (retardation) while its brightness falls to black at extinction and reaches a maximum between extinction positions.
The colours simulate birefringence patterns seen in thin section under crossed polars. They do not take into account mineral colouration or opacity.
Michel-Levy Bar The default colours simulate the birefringence range for a 30 µm thin-section thickness. Adjust the slider to simulate a different thickness.
Grain Simulation You can rotate the grain simulation to show how this range might look as you rotated a sample under crossed polars. Each grain retains its interference colour (retardation) while its brightness falls to black at extinction and reaches a maximum between extinction positions.
Surface Relief:
Moderate
Dispersion:
r < v extreme
Pleochroism:
Non-pleochroic
Chemistry of Rodalquilarite
Mindat Formula:
Fe2(TeO2OH)3(TeO3)Cl
Element Weights:
Crystallography of Rodalquilarite
Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 8.95(5) Å, b = 5.09(1) Å, c = 6.63 Å
α = 103.17°, β = 107.08°, γ = 77.87°
α = 103.17°, β = 107.08°, γ = 77.87°
Ratio:
a:b:c = 1.758 : 1 : 1.303
Unit Cell V:
277.77 ų (Calculated from Unit Cell)
Z:
1
Morphology:
Stout crystals to 2.5cm, crusts.
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0018501 | Rodalquilarite | Kampf A R, Mills S J (2011) The role of hydrogen in tellurites: crystal structure refinements of juabite, poughite and rodalquilarite Journal of Geosciences 56 235-247 | 2011 | Tambo mine, Coquimbo Regioin, Chile | 0 | 293 | |
| 0013969 | Rodalquilarite | Feger C R, Kolis J W, Gorny K, Pennington C (1999) Rodalquilarite revisited: the hydrothermal synthesis and structural reinvestigation of H3Fe2(TeO3)4Cl Journal of Solid State Chemistry 143 254-259 | 1999 | synthetic | 0 | 293 | |
| 0009361 | Rodalquilarite | Dusausoy Y, Protas J (1969) Determination et etude de la structure cristalline de la rodalquilarite, chlorotellurite acide de fer Acta Crystallographica B25 1551-1558 |  | 1969 | Almeria, Spain | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 4.24 Å | (FFF) |
| 2.62 Å | (FF) |
| 3.31 Å | (F) |
| 2.17 Å | (F) |
| 2.85 Å | (mF) |
| 2.97 Å | (m) |
| 1.873 Å | (mf) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 7: Great Oxidation Event | <2.4 |
| 47a : [Near-surface hydration of prior minerals] | |
| 47e : [Vanadates, chromates, manganates] | |
| 47g : [Halogen-bearing surface weathering minerals] | |
| 47h : [Near-surface oxidized, dehydrated minerals] |
Geological Setting:
Oxidation zone of tellurium-bearing precious metal deposits.
Type Occurrence of Rodalquilarite
General Appearance of Type Material:
Tiny stout crystals, mostly less than 0.1 mm and in crusts in quartz geodes.
Place of Conservation of Type Material:
Natural History Museum, Paris, France
National School of Mines, Paris, France.
National School of Mines, Paris, France.
Geological Setting of Type Material:
Oxidation zone of a gold deposit
Associated Minerals at Type Locality:
Synonyms of Rodalquilarite
Other Language Names for Rodalquilarite
Common Associates
Associations Based on Photo Data:
| 47 photos of Rodalquilarite associated with Jarosite | KFe3+3(SO4)2(OH)6 |
| 40 photos of Rodalquilarite associated with Alunite | KAl3(SO4)2(OH)6 |
| 25 photos of Rodalquilarite associated with Native Gold | Au |
| 10 photos of Rodalquilarite associated with Quartz | SiO2 |
| 8 photos of Rodalquilarite associated with Tellurite | TeO2 |
| 8 photos of Rodalquilarite associated with Paratellurite | TeO2 |
| 4 photos of Rodalquilarite associated with Empressite | AgTe |
| 4 photos of Rodalquilarite associated with Krennerite | Au3AgTe8 |
| 3 photos of Rodalquilarite associated with Schieffelinite | Pb10Te6+6O20(OH)14(SO4)(H2O)5 |
| 3 photos of Rodalquilarite associated with Pyrite | FeS2 |
Related Minerals - Strunz-mindat Grouping
| 4.JL. | Chorążewiczite | Pb2Fe3+(Te6+O6)(HCO3) |
| 4.JL. | Tomiolloite | Al12(Te4+O3)5[(SO3)0.5(SO4)0.5](OH)24 |
| 4.JL.10 | Mackayite | Fe3+(Te4+2O5)(OH) |
| 4.JL.15 | Mroseite | CaTe4+(CO3)O2 |
| 4.JL.20 | Pingguite | Bi6Te2O15 |
| 4.JL.25 | Tlapallite | (Ca,Pb)3CaCu6[Te4+3Te6+O12]2(Te4+O3)2(SO4)2 · 3H2O |
| 4.JL.30 | 'Girdite' | H2Pb3(Te4+O3)(Te6+O6) |
| 4.JL.40 | Bodieite | Bi2(TeO3)2(SO4) |
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.
Internet Links for Rodalquilarite
mindat.org URL:
https://www.mindat.org/min-3435.html
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Please feel free to link to this page.
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References for Rodalquilarite
Reference List:
Sierra Lopez, J., Leal, G., Pierrot, Roland, Laurent, Yvette, Protas, Jean, Dusausoy, Yves (1968) La rodalquilarite, chlorotellurite de fer, une nouvelle espèce minérale. Bulletin de Minéralogie, 91 (1) 28-33 doi:10.3406/bulmi.1968.6183
Fleisher, Michael (1968) New Mineral Names. American Mineralogist, 53 (11-12) 2103-2106 pp.2104-2105
Sierra Lopez, J., Leal, G., Pierrot, Roland, Laurent, Yvette, Protas, Jean, Dusausoy, Yves (1968) La rodalquilarite, chlorotellurite de fer, une nouvelle espèce minérale. Bulletin de Minéralogie, 91 (1) 28-33 doi:10.3406/bulmi.1968.6183
Dusausoy, Y., Protas, J. (1969) Détermination et étude de la structure cristalline de la rodalquilarite, chlorotellurite acide de fer. Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry, 25 (8) 1551-1558 doi:10.1107/s0567740869004316
Localities for Rodalquilarite
Showing 15 localities.
symbol to view information about a locality.
The Locality List
- 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).
All localities listed without proper references should be considered as questionable.
Chile | |
| Gebhard (1995) |
| Deyell et al. (2005) |
| [AmMin 85:1324] +2 other references | |
Mexico | |
| Marek Chorazewicz (2023) |
Spain | |
| Sierra Lopez et al. (1968) |
| Sintes et al. (2025) |
| Sierra Lopez et al. (1968) | |
| www.foro-minerales.com (2021) | |
USA | |
| Williams (1981) |
| Anthony et al. (1995) |
| Thorne (n.d.) | |
| Williams (1980) +1 other reference | |
| Anthony et al. (1995) | |
| Specimen purchased from Shannon ... |
| Kampf et al. (2022) |
Quick NavTopAbout RodalquilariteUnique IdentifiersIMA Classification Classification Mineral SymbolsPhysical Properties Optical Data Chemistry Crystallography Crystal StructureX-Ray Powder DiffractionGeological EnvironmentType Occurrence SynonymsOther LanguagesCommon AssociatesStrunz-MindatOther InformationInternet Links References Localities Locality List
Wendy pit, Tambo Mine, Vicuña, Elqui Province, Coquimbo, Chile