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Rodalquilarite

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Formula:
Fe2(TeO2OH)3(TeO3)Cl
System:
Triclinic
Colour:
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

Approved 1967
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
34.6.2.1

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
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First Recorded Occurrence of Rodalquilarite

Place of Conservation of First Recorded 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

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

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
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°
Max Birefringence:
δ = 0.100
Image 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:
Fe2(TeO2OH)3(TeO3)Cl
Essential elements:
All elements listed in formula:
Empirical Formula:
H3Fe23+(TeO3)4Cl

Relationship of Rodalquilarite to other Species

4.JL.10MackayiteFe3+(Te24+O5)(OH)
4.JL.15MroseiteCaTe4+(CO3)O2
4.JL.20PingguiteBi6Te24+O13
4.JL.25TlapalliteH6(Ca,Pb)2(Cu,Zn)3(TeO3)4(TeO6)(SO4)
4.JL.30GirditeH2Pb3(Te4+O3)(Te6+O6)
28.3.1BalyakiniteCu(TeO3)
28.3.2RajiteCu(Te24+O5)
28.3.3GraemiteCu[TeO3] · H2O
28.3.4TeineiteCu[TeO3] · 2H2O
28.3.5CesbroniteCu5(TeO3)2(OH)6 · 2H2O
28.3.6MroseiteCaTe4+(CO3)O2
28.3.7QuetzalcoatliteZn6Cu3(TeO6)2(OH)6 · AgxPbyClx+2y
28.3.8ZemanniteMg(ZnFe)2(TeO3)6·9H2O
28.3.9Kinichilite(Fe,Mg,Zn)2(TeO3)3(NaxH2-x) · 3H2O
28.3.10Denningite(Mn2+,Ca,Zn)Te24+O5
28.3.11Spiroffite(Mn,Zn)2Te34+O8
28.3.12WinstanleyiteTiTe34+O8
28.3.13FairbankitePb(TeO3)
28.3.14PlumbotelluritePb(TeO3)
28.3.15Choloalite(Cu,Sb)3(Pb,Ca)3(TeO3)6Cl
28.3.16SmirniteBi2Te4+O5
28.3.17ChekhovichiteBi2Te44+O11
28.3.18Cliffordite(UO2)Te34+O7
28.3.19Schmitterite(UO2)(TeO3)
28.3.20MoctezumitePb(UO2)(TeO3)2
28.3.21EmmonsiteFe23+[TeO3]3 · 2H2O
28.3.22BlakeiteFe23+[TeO3]3 (?)
28.3.23MackayiteFe3+(Te24+O5)(OH)
28.3.24PoughiteFe23+(TeO3)2(SO4)(H2O)2 · H2O
28.3.25SonoraiteFe3+(TeO3)(OH) · H2O
28.3.27EztlitePb2Fe63+(Te4+O3)3(Te6+O6)(OH)10 · 8H2O
28.3.28Keystoneite(Ni,Mg,Fe,Mn)3Te3O9 · 5H2O

Other Names for Rodalquilarite

Name in Other Languages:

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 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

Specimens:
The following Rodalquilarite specimens are currently listed for sale on minfind.com.

Localities for Rodalquilarite

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.
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
Mineral and/or Locality  
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