Telluromandarinoite
A valid IMA mineral species
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About Telluromandarinoite
Formula:
Fe3+2Te3O9 · 6H2O
Colour:
Pale green
Lustre:
Vitreous
Specific Gravity:
3.372 (Calculated)
Crystal System:
Monoclinic
Name:
Tellurium analogue of mandarinoite.
Unique Identifiers
Mindat ID:
42801
Long-form identifier:
mindat:1:1:42801:7
GUID
(UUID V4):
(UUID V4):
3739290c-c06a-4517-bbf1-924054fa9bf2
IMA Classification of Telluromandarinoite
Classification of Telluromandarinoite
4.JM.20
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
J : Arsenites, antimonites, bismuthites, sulfites, selenites, tellurites; iodates
M : Tellurites without additional anions, with H2O
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
J : Arsenites, antimonites, bismuthites, sulfites, selenites, tellurites; iodates
M : Tellurites without additional anions, with H2O
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 |
---|---|---|
Tmda | 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 Telluromandarinoite
Vitreous
Transparency:
Translucent
Colour:
Pale green
Streak:
White
Comment:
Crystals too small to determine the Mohs hardness
Tenacity:
Brittle
Cleavage:
None Observed
Parting:
Not observed
Fracture:
Irregular/Uneven
Density:
3.372 g/cm3 (Calculated)
Optical Data of Telluromandarinoite
Type:
Biaxial (+)
RI values:
nα = 1.750(3) nβ = 1.807(3) nγ = 1.910(5)
2V:
Calculated: 76.9°
Max Birefringence:
δ = 0.160
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
not noticed
Pleochroism:
Non-pleochroic
Comments:
optical orientation: Y = b, c ˆ Z = 10° in obtuse β
Chemistry of Telluromandarinoite
Mindat Formula:
Fe3+2Te3O9 · 6H2O
Elements listed:
Crystallography of Telluromandarinoite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Cell Parameters:
a = 16.9356(5) Å, b = 7.8955(3) Å, c = 10.1678(3) Å
β = 98.006(1)°
β = 98.006(1)°
Ratio:
a:b:c = 2.145 : 1 : 1.288
Unit Cell V:
1346.32 ų
Z:
4
Comment:
Structurally similar to emmonsite
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
8.431 Å | (44) |
7.153 Å | (100) |
5.034 Å | (11) |
3.575 Å | (41) |
3.463 Å | (21) |
2.996 Å | (34) |
2.826 Å | (19) |
2.624 Å | (11) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 7: Great Oxidation Event | <2.4 |
47a : [Near-surface hydration of prior minerals] | |
47d : [Arsenates, antimonates, selenates, bismuthinates] |
Type Occurrence of Telluromandarinoite
General Appearance of Type Material:
Individual platy crystals, 0.2 mm or less, often in aggregates
Place of Conservation of Type Material:
Royal Ontario Museum, Toronto, Ontario,Canada, catalogue number M56017
Empirical Formula of Type Material:
Fe3+2.03(Te4+1.71Se4+1.27)Σ2.98O9·6H2O
Chemical Analysis of Type Material:
SeO2 | 22.91 % |
---|---|
TeO2 | 44.30 % |
Fe2O3 | 26.43 % |
H2O | 17.59 % |
Total: | 111.23 % |
Geological Setting of Type Material:
Hydrothermal breccias with silicified clasts of dacite tuffs cemented by silica/barite/alunite
Associated Minerals at Type Locality:
Synonyms of Telluromandarinoite
Related Minerals - Strunz-mindat Grouping
4.JM. | Rudolfhermannite | Fe(Te4+O3)3 · H2O |
4.JM. | Wortupaite | MgNi2+2(Te4+O3)3 · 3H2O |
4.JM.05 | Keystoneite | Mg0.5Ni2+Fe3+(Te4+O3)3 · 4.5H2O |
4.JM.05 | Kinichilite | Mg0.5Mn2+Fe3+(Te4+O3)3 · 4.5H2O |
4.JM.05 | Zemannite | Mg0.5ZnFe3+(Te4+O3)3 · 4.5H2O |
4.JM.05 | Ilirneyite | Mg0.5ZnMn3+(Te4+O3)3 · 4.5H2O |
4.JM.10 | Blakeite | Fe3+2[TeO3]3 (?) |
4.JM.10 | Emmonsite | Fe3+2(TeO3)3 · 2H2O |
4.JM.15 | Graemite | Cu[TeO3] · H2O |
4.JM.20 | Teineite | Cu2+(Te4+O3) · 2H2O |
4.JM.25 | Millsite | Cu2+(Te4+O3) · 2H2O |
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 Telluromandarinoite
mindat.org URL:
https://www.mindat.org/min-42801.html
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Please feel free to link to this page.
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External Links:
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References for Telluromandarinoite
Reference List:
Williams, P. A., Hatert, F., Pasero, M., Mills, S. J. (2011) New minerals and nomenclature modifications approved in 2011, CNMNC Newsletter No. 10. Mineralogical Magazine, 75 (5) 2549-2561 doi:10.1180/minmag.2011.075.5.2549
Localities for Telluromandarinoite
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).
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.
All localities listed without proper references should be considered as questionable.
Chile (TL) | |
| Williams et al. (2011) +1 other reference |
Spain | |
| ... +1 other reference |
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Filón 340, Rodalquilar, Níjar, Almería, Andalusia, Spain