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Rodalquilarite

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Formula:
Fe
 
2
(TeO
 
2
OH)
 
3
(TeO
 
3
)Cl
System:TriclinicColour:Emerald- to grass-green
Hardness:2 - 3
Name:For the type locality at Rodalquilar, Níjar, Almería, Andalusia, Spain.
This page provides mineralogical data about Rodalquilarite.

Classification of Rodalquilarite

IMA status:Approved 1967
Strunz 8th edition ID:4/K.09-40
Nickel-Strunz 10th (pending) edition ID: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
Dana 8th edition ID:34.6.2.1

34 : SELENITES, TELLURITES AND SULFITES
6 : Anhydrous Selenites, Tellurites and Sulfites containing Hydroxyl or Halogen
Hey's CIM Ref.:28.3.26

28 : Selenites, Selenates, Tellurites, and Tellurates
3 : Tellurites
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Type Occurrence of Rodalquilarite

Type Locality:Filon 340, Rodalquilar, Níjar, Almería, Andalusia, Spain
Place of Conservation of Type Material:Natural History Museum, Paris
Year of Discovery:1967

Occurrences of Rodalquilarite

Geological Setting:Oxidation zone of tellurium-bearing precious metal deposits.

Physical Properties of Rodalquilarite

Lustre:Greasy
Diaphaneity (Transparency):Translucent
Colour:Emerald- to grass-green
Streak:Greenish yellow
Hardness (Mohs):2 - 3
Density (measured):4.97 - 5.15 g/cm3
Density (calculated):5.11(3) g/cm3

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 = 6.63Å
α = 103.17°, β = 107.08°, γ = 77.87°
Ratio:a:b:c = 1.758 : 1 : 1.303
Unit Cell Volume:V 277.77 ų (Calculated from Unit Cell)
Z:1
Morphology:Stout crystals to 2.5cm, crusts.

Optical Data of Rodalquilarite

Type:Biaxial (-)
RI values: nα = 2.100 nγ = 2.200
2V:Measured: 38°
Maximum Birefringence:δ = 0.100

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

Chemical Properties of Rodalquilarite

Formula:
Fe
 
2
(TeO
 
2
OH)
 
3
(TeO
 
3
)Cl
Simplified for copy/paste:Fe2(TeO2OH)3(TeO3)Cl
Essential elements:Cl, Fe, H, O, Te
All elements listed in formula:Cl, Fe, H, O, Te
Empirical Formula:
H
 
3
Fe
3+
2
(TeO
 
3
)
 
4
Cl

Relationship of Rodalquilarite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.JL.10Mackayite
Fe
3+
 
(Te
4+
2
O
 
5
)(OH)
4.JL.15Mroseite
CaTe
4+
 
(CO
 
3
)O
 
2
4.JL.20Pingguite
Bi
 
6
Te
4+
2
O
 
13
4.JL.25Tlapallite
H
 
6
(Ca,Pb)
 
2
(Cu,Zn)
 
3
(TeO
 
3
)
 
4
(TeO
 
6
)(SO
 
4
)
4.JL.30Girdite
H
 
2
Pb
 
3
(Te
4+
 
O
 
3
)(Te
6+
 
O
 
6
)
Related Minerals - Hey's Index Grouping:

- +
28.3.1Balyakinite
Cu(TeO
 
3
)
28.3.2Rajite
Cu(Te
4+
2
O
 
5
)
28.3.3Graemite
Cu[TeO
 
3
] · H
 
2
O
28.3.4Teineite
Cu[TeO
 
3
] · 2H
 
2
O
28.3.5Cesbronite
Cu
 
5
(TeO
 
3
)
 
2
(OH)
 
6
· 2H
 
2
O
28.3.6Mroseite
CaTe
4+
 
(CO
 
3
)O
 
2
28.3.7Quetzalcoatlite
Zn
 
6
Cu
 
3
(TeO
 
6
)
 
2
(OH)
 
6
· Ag
 
x
Pb
 
y
Cl
 
x+2y
28.3.8Zemannite
Mg(ZnFe)
 
2
(TeO
 
3
)
 
6
·9H
 
2
O
28.3.9Kinichilite
(Fe,Mg,Zn)
 
2
(TeO
 
3
)
 
3
(Na
 
x
H
 
2-x
) · 3H
 
2
O
28.3.10Denningite
(Mn
2+
 
,Ca,Zn)Te
4+
2
O
 
5
28.3.11Spiroffite
(Mn,Zn)
 
2
Te
4+
3
O
 
8
28.3.12Winstanleyite
TiTe
4+
3
O
 
8
28.3.13Fairbankite
Pb(TeO
 
3
)
28.3.14Plumbotellurite
Pb(TeO
 
3
)
28.3.15Choloalite
(Cu,Sb)
 
3
(Pb,Ca)
 
3
(TeO
 
3
)
 
6
Cl
28.3.16Smirnite
Bi
 
2
Te
4+
 
O
 
5
28.3.17Chekhovichite
Bi
 
2
Te
4+
4
O
 
11
28.3.18Cliffordite
(UO
 
2
)Te
4+
3
O
 
7
28.3.19Schmitterite
(UO
 
2
)(TeO
 
3
)
28.3.20Moctezumite
Pb(UO
 
2
)(TeO
 
3
)
 
2
28.3.21Emmonsite
Fe
3+
2
[TeO
 
3
]
 
3
· 2H
 
2
O
28.3.22Blakeite
Fe
3+
2
[TeO
 
3
]
 
3
(?)
28.3.23Mackayite
Fe
3+
 
(Te
4+
2
O
 
5
)(OH)
28.3.24Poughite
Fe
3+
2
(TeO
 
3
)
 
2
(SO
 
4
)(H
 
2
O)
 
2
· H
 
2
O
28.3.25Sonoraite
Fe
3+
 
(TeO
 
3
)(OH) · H
 
2
O
28.3.27Eztlite
Pb
 
2
Fe
3+
6
(Te
4+
 
O
 
3
)
 
3
(Te
6+
 
O
 
6
)(OH)
 
10
· 8H
 
2
O
28.3.28Keystoneite
(Ni,Mg,Fe,Mn)
 
3
Te
 
3
O
 
9
· 5H
 
2
O

Other Names for Rodalquilarite

Synonyms:
IMA1967-040
Other Languages:
German:Rodalquilarit
Russian:Родалкиларит
Spanish:Rodalquilarita

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 Rodalquilarite

Reference List:

- +
Bulletin de la Société Française Minéralogie et de Cristallographie (1968): 91: 28-33.

American Mineralogist (1968): 53: 2104-2105.

Acta Crystallographica (1969): B25: 1551.

Journal of Solid State Chemistry (1999): 143: 254.

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(3), 235-247.

Internet Links for Rodalquilarite

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  • External Links:
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  • Look for Rodalquilarite on Wikipedia
  • Look for Rodalquilarite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Rodalquilarite details from Handbook of Mineralogy (PDF)
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  • Specimens:The following Rodalquilarite specimens are currently listed for sale on minfind.com.

    Localities for Rodalquilarite

    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.
    (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.
    Chile
     
    • Coquimbo Region
      • Elqui Province
        • El Indio deposit
          • Tambo Mine
    [AmMin 85:1324]; Back, M.E., Grice, J.D., Gault, R.A., Criddle, A.J. & Mandarino, J.A. (1999): Walfordite, a new tellurite from the Wendy open pit, El Indio - Tambo mining property, Chile. Canadian Mineralogist 37, 1261-1268.
    Spain
     
    • Andalusia
      • Almería
        • Níjar
    Bull.Soc.fr.Min.Crist. (1965) 91, 28-33; Bulletin de la Société Française Minéralogie et de Cristallographie 91 (1968), 28.
    Sierra, J., Leal, G., Pierrot, R., Laurent, Y., Protas, J. y Dusausoy,Y. (1968). La rodalquilarite, chlorotelurite de fer, une nouvelle espece minerale. Bulletin de la Societe Francaise de Mineralogie et Cristalographie, 91, 28-33.
    USA
     
    • Arizona
      • Cochise Co.
        • Tombstone Hills
    Williams, S.A. (1981b), Duhamelite, Cu4Pb2Bi(VO4)4(OH)3·8H2O, a new Arizona mineral, Min.Mag.: 44: 151-152.
            • Contention-Grand Central Mine group
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 210, 232, 421.
    In the collection of Brent Thorne
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 211, 212, 356.; Williams, S. (1980). Schieffelinite, a new lead tellurate-sulphate from Tombstone, Arizona. Mineralogical Magazine, 43(330), 771-773.
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.:76
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    Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. 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 thousands 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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