Rajite
A valid IMA mineral species
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About Rajite
Robert Allen Jenkins
Formula:
Cu(Te4+2O5)
Colour:
Bright Duesbury green
Lustre:
Resinous, Dull
Hardness:
4
Specific Gravity:
5.75
Crystal System:
Monoclinic
Name:
Named in honor of Dr. Robert Allen Jenkins (R.A.J.) (b. 1944), American geologist and mineralogist with the Phelps Dodge Corporation, who found the first samples.
This page provides mineralogical data about Rajite.
Unique Identifiers
Mindat ID:
3353
Long-form identifier:
mindat:1:1:3353:0
Similar Names
| Raite | A valid IMA mineral species | Mn2+Mn22+Na2(◻1.75Ti0.25)Si8O20(OH)2(H2O)4 · Na(H2O)6 |
| Ranite | A synonym of Gonnardite | |
| Rathite | A valid IMA mineral species - grandfathered | Ag2Pb12-xTlx/2As18+x/2S40 |
| Rayite | A valid IMA mineral species | Pb8(Ag,Tl)2Sb8S21 |
IMA Classification of Rajite
Approved
IMA Formula:
Cu2+Te4+2O5
Approval year:
1978
First published:
1979
Classification of Rajite
4.JK.20
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
J : Arsenites, antimonites, bismuthites, sulfites, selenites, tellurites; iodates
K : Tellurites without 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
K : Tellurites without additional anions, without H2O
34.4.2.1
34 : SELENITES, TELLURITES AND SULFITES
4 : A(X2O5)
34 : SELENITES, TELLURITES AND SULFITES
4 : A(X2O5)
28.3.2
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 |
|---|---|---|
| Raj | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Pronunciation of Rajite
Pronunciation:
| Play | Recorded by | Country |
|---|---|---|
| Jolyon Ralph | United Kingdom |
Physical Properties of Rajite
Resinous, Dull
Transparency:
Translucent
Comment:
Dull if altered
Colour:
Bright Duesbury green
Streak:
Pale green
Hardness:
4 on Mohs scale
Tenacity:
Brittle
Cleavage:
Imperfect/Fair
On {010}
On {010}
Density:
5.75(6) g/cm3 (Measured) 5.77 g/cm3 (Calculated)
Optical Data of Rajite
Type:
Biaxial (+)
RI values:
nα = 2.115 nβ = 2.135 nγ = 2.26
2V:
Measured: 40° , Calculated: 46°
Max. Birefringence:
δ = 0.145
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:
strong
Pleochroism:
Weak
Comments:
Watery greens
Chemistry of Rajite
Mindat Formula:
Cu(Te4+2O5)
Element Weights:
Elements listed:
Crystallography of Rajite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Cell Parameters:
a = 6.866 Å, b = 9.314 Å, c = 7.598 Å
β = 109.1°
β = 109.1°
Ratio:
a:b:c = 0.737 : 1 : 0.816
Unit Cell V:
459.14 ų (Calculated from Unit Cell)
Z:
4
Morphology:
As tabular to bladed crystals.
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) |
|---|---|---|---|---|---|---|---|
| 0009478 | Rajite | Hanke K, Kupcik V, Lindqvist O (1973) The crystal structure of CuTe2O5 Acta Crystallographica B29 963-970 |  | 1973 | synthetic | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 3.064 Å | (100) |
| 4.654 Å | (8) |
| 3.348 Å | (8) |
| 3.111 Å | (7) |
| 2.744 Å | (7) |
| 3.793 Å | (6b) |
| 2.844 Å | (5) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 7: Great Oxidation Event | <2.4 |
| 47e : [Vanadates, chromates, manganates] | |
| 47h : [Near-surface oxidized, dehydrated minerals] |
Type Occurrence of Rajite
General Appearance of Type Material:
Sprays of bladed to tabular crystals to 1.5 mm. Some bundles of more prismatic crystals comprise are pseudomorphs, possibly after teinite.
Place of Conservation of Type Material:
1) Natural History Museum, Paris, France.
2) The Natural History Museum, London, England, 1980,547.
3) Harvard University, Cambridge, Massachusetts, USA, 119101.
2) The Natural History Museum, London, England, 1980,547.
3) Harvard University, Cambridge, Massachusetts, USA, 119101.
Geological Setting of Type Material:
Silicified rhyolite breccia
Associated Minerals at Type Locality:
Synonyms of Rajite
Other Language Names for Rajite
Common Associates
Associations Based on Photo Data:
Related Minerals - Strunz-mindat Grouping
| 4.JK. | Matthiasweilite | PbTe4+O3 |
| 4.JK.05 | Walfordite | (Fe3+,Te6+)Te4+3O8 |
| 4.JK.05 | Winstanleyite | TiTe4+3O8 |
| 4.JK.10 | Zincospiroffite | Zn2Te4+3O8 |
| 4.JK.10 | Spiroffite | Mn2+2Te4+3O8 |
| 4.JK.15 | Balyakinite | Cu(TeO3) |
| 4.JK.25 | Carlfriesite | CaTe4+2Te6+O8 |
| 4.JK.30 | Chenzhangruite | MnFe2+Te4+4O10 |
| 4.JK.30 | Stankeithite | Mn2+Mn2+Te4+4 O10 |
| 4.JK.30 | Paulhlavaite | CaCuTe4+ 4O10 |
| 4.JK.30 | Denningite | CaMn2+Te4+4O10 |
| 4.JK.35 | Chekhovichite | Bi2Te4+4O11 |
| 4.JK.40 | Smirnite | Bi2Te4+O5 |
| 4.JK.45 | Choloalite | (Cu,Sb)3(Pb,Ca)3(TeO3)6Cl |
| 4.JK.50 | Fairbankite | Pb2+12(Te4+O3)11(SO4) |
| 4.JK.55 | Plumbotellurite | Pb(TeO3) |
| 4.JK.60 | Magnolite | [Hg2]2+[Te4+O3] |
| 4.JK.65 | Moctezumite | Pb(UO2)(TeO3)2 |
| 4.JK.70 | Schmitterite | (UO2)(TeO3) |
| 4.JK.75 | Cliffordite | (UO2)Te4+3O7 |
Fluorescence of Rajite
No fluorescence under LW or SW UV
Other Information
Notes:
Fuses readily to a syrupy brown slag.
Readily soluble in cold 1:7 HNO3 or 1:6 HCl.
Readily soluble in cold 1:7 HNO3 or 1:6 HCl.
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 Rajite
mindat.org URL:
https://www.mindat.org/min-3353.html
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References for Rajite
Localities for Rajite
Showing 3 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.
Japan | |
| Zenzai & Nakada (2005) +1 other reference |
Russia | |
| Pekov et al. (2026) |
USA (TL) | |
| Williams (1979) +2 other references |
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Lone Pine Mine, Lone Pine Hill area, Wilcox Mining District, Catron County, New Mexico, USA