Jensenite
A valid IMA mineral species
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About Jensenite
Formula:
Cu3[TeO6] · 2H2O
Colour:
Emerald green
Lustre:
Adamantine
Hardness:
3 - 4
Specific Gravity:
4.76 (Calculated)
Crystal System:
Monoclinic
Name:
Named in honor of Martin C. Jensen (b. 1959) of Reno, Nevada, USA, who first found the material. He is a scanning electron-microprobe specialist at the Mackay School of Mines and mineral collector. He has studied and written papers/articles on many mines in the western United States, especially Utah and Nevada.
This page provides mineralogical data about Jensenite.
Unique Identifiers
Mindat ID:
2088
Long-form identifier:
mindat:1:1:2088:2
GUID
(UUID V4):
(UUID V4):
572ab049-8f2b-4551-bda0-cc5168adb602
IMA Classification of Jensenite
Approved
IMA Formula:
Cu2+3Te6+O6 · 2H2O
Approval year:
1994
First published:
1996
Classification of Jensenite
4.FL.60
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
F : Hydroxides (without V or U)
L : Hydroxides with H2O +- (OH); sheets of edge-sharing octahedra
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
F : Hydroxides (without V or U)
L : Hydroxides with H2O +- (OH); sheets of edge-sharing octahedra
Dana 7th ed.:
33.2.6.1
33.2.6.1
33 : SELENATES AND TELLURATES
2 : (AB)m(XO6)·xH2O, where x can equal zero
33 : SELENATES AND TELLURATES
2 : (AB)m(XO6)·xH2O, where x can equal zero
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 |
|---|---|---|
| Jen | 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 Jensenite
Adamantine
Transparency:
Transparent
Colour:
Emerald green
Streak:
Emerald green
Hardness:
3 - 4 on Mohs scale
Tenacity:
Brittle
Cleavage:
Imperfect/Fair
{_101}
{_101}
Fracture:
Irregular/Uneven
Density:
4.76 g/cm3 (Calculated)
Chemistry of Jensenite
Mindat Formula:
Cu3[TeO6] · 2H2O
Elements listed:
Common Impurities:
Zn
Crystallography of Jensenite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/m
Cell Parameters:
a = 9.224 Å, b = 9.18 Å, c = 7.6 Å
β = 102.38°
β = 102.38°
Ratio:
a:b:c = 1.005 : 1 : 0.828
Unit Cell V:
628.58 ų (Calculated from Unit Cell)
Crystal Structure
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2x2x2 | 3x3x3 | 4x4x4
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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) |
|---|---|---|---|---|---|---|---|
| 0005477 | Jensenite | Grice J D, Groat L A, Roberts A C (1996) Jensenite, a cupric tellurate framework structure with two coordinations of copper The Canadian Mineralogist 34 55-59 |  | 1996 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 6.428 Å | (100) |
| 3.217 Å | (70) |
| 2.601 Å | (40) |
| 2.530 Å | (50) |
| 2.144 Å | (35) |
| 1.750 Å | (35) |
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] |
Type Occurrence of Jensenite
General Appearance of Type Material:
Isolated crystals or as groups on drusy white quartz.
Place of Conservation of Type Material:
Canadian Museum of Nature, Ottawa, Canada
Reference:
Roberts, A.C., Grice, J.D., Groat, L.A., Criddle, A.J., Gault, R.A., Erd, R.C., Moffatt, E.A. (1996) Jensenite, Cu3Te6+O6·2H2O, a new mineral species from the Centennial Eureka Mine, Tintic District, Juab County, Utah. The Canadian Mineralogist: 34: 49-54.
Synonyms of Jensenite
Other Language Names for Jensenite
Common Associates
Associated Minerals Based on Photo Data:
| 3 photos of Jensenite associated with Quartz | SiO2 |
| 3 photos of Jensenite associated with Mcalpineite | Cu3(Te6+O6) |
| 3 photos of Jensenite associated with Xocomecatlite | Cu3(TeO4)(OH)4 |
| 2 photos of Jensenite associated with Goethite | α-Fe3+O(OH) |
Related Minerals - Strunz-mindat Grouping
| 4.FL. | Trébeurdenite | Fe2+2Fe3+4O2(OH)10CO3 · 3H2O |
| 4.FL. | Mariakrite | [Ca4Al2(OH)12(H2O)4][Fe2S4] |
| 4.FL.05 | Woodallite | Mg6Cr2(OH)16Cl2 · 4H2O |
| 4.FL.05 | Iowaite | Mg6Fe3+2(OH)16Cl2 · 4H2O |
| 4.FL.05 | Jamborite | Ni2+1-xCo3+x(OH)2-x(SO4)x · nH2O |
| 4.FL.05 | Meixnerite | Mg6Al2(OH)16(OH)2 · 4H2O |
| 4.FL.05 | Muskoxite | Mg7Fe4O13 · 10H2O |
| 4.FL.05 | Fougèrite | Fe2+4Fe3+2(OH)12[CO3] · 3H2O |
| 4.FL.05 | Mössbauerite | Fe3+6O4(OH)8[CO3] · 3H2O |
| 4.FL.05 | Dritsite | Li2Al4(OH)12Cl2 · 3H2O |
| 4.FL.10 | Hydrocalumite | Ca4Al2(OH)12(Cl,CO3,OH)2 · 4H2O |
| 4.FL.15 | Kuzelite | Ca4Al2(OH)12[SO4] · 6H2O |
| 4.FL.20 | Aurorite | Mn2+Mn4+3O7 · 3H2O |
| 4.FL.20 | Chalcophanite | ZnMn4+3O7 · 3H2O |
| 4.FL.20 | Ernienickelite | NiMn3O7 · 3H2O |
| 4.FL.20 | Jianshuiite | (Mg,Mn,Ca)Mn3O7 · 3H2O |
| 4.FL.25 | Woodruffite | Zn2+x/2(Mn4+1-xMn3+x)O2 · yH2O |
| 4.FL.30 | Asbolane | (Ni,Co)2-xMn4+(O,OH)4 · nH2O |
| 4.FL.30 va | Lampadite | Cu, Mn, O, H |
| 4.FL.35 | Buserite | Na4Mn14O27 · 21H2O |
| 4.FL.40 | Ranciéite | (Ca,Mn2+)0.2(Mn4+,Mn3+)O2 · 0.6H2O |
| 4.FL.40 | Takanelite | (Mn,Ca)Mn4O9 · H2O |
| 4.FL.45 | Birnessite | (Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O |
| 4.FL.55 | Cianciulliite | Mn(Mg,Mn)2Zn2(OH)10 · 2-4H2O |
| 4.FL.65 | Leisingite | Cu2MgTe6+O6 · 6H2O |
| 4.FL.70 | Akdalaite | Al10O14(OH)2 |
| 4.FL.75 | Cafetite | CaTi2O5 · H2O |
| 4.FL.80 | Mourite | UMo5O12(OH)10 |
| 4.FL.85 | Deloryite | Cu4(UO2)(MoO4)2(OH)6 |
| 4.FL.90 | Lagalyite | Ca2xMn1-xO2 · 1.5-2H2O |
| 4.FL.95 | Tunnerite (of Cornu) | |
| 4.FL.100 | Carbocalumite | Ca4Al2(OH)12(CO3) · 6H2O |
| 4.FL.100 | Mampsisite | Ca4Al2(CO3)(OH)12 · 5H2O |
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 Jensenite
mindat.org URL:
https://www.mindat.org/min-2088.html
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References for Jensenite
Reference List:
Roberts, A. C., Grice, J. D., Groat, L. A., Criddle, A. J., Gault, R. A., Erd, R. C., Moffatt, E. A. (1996) Jensenite, Cu3Te6+O6·2H2O, a new mineral species from the Centennial Eureka Mine, Tintic District, Juab County, Utah. The Canadian Mineralogist, 34 (1) 49-54
Grice, J. D., Groat, L. A., Roberts, A. C. (1996) Jensenite, a cupric tellurate framework structure with two coordinations of copper. The Canadian Mineralogist, 34 (1) 55-59
Localities for Jensenite
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.
Italy | |
| Castellaro et al. (2021) |
| Analyzed - Collected by Castellaro ... |
Mexico | |
| RRUFF database XRD confirmed |
USA | |
| Collected by Bob Housley and Raman ... |
| Kampf et al. (2022) | |
| Roberts et al. (1996) +1 other reference |
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Centennial Eureka Mine, Eureka, Tintic Mining District, Juab County, Utah, USA