Jensenite
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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.
Classification of Jensenite
Approved
Approval Year:
1994
First Published:
1996
4/K.15-16
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
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)
Chemical Properties of Jensenite
Formula:
Cu3[TeO6] · 2H2O
IMA Formula:
Cu2+3Te6+O6 · 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)
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 6.428 | (100) |
| 3.217 | (70) |
| 2.601 | (40) |
| 2.530 | (50) |
| 2.144 | (35) |
| 1.750 | (35) |
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:
| Mcalpineite | 3 photos of Jensenite associated with Mcalpineite on mindat.org. |
| Xocomecatlite | 3 photos of Jensenite associated with Xocomecatlite on mindat.org. |
| Quartz | 1 photo of Jensenite associated with Quartz on mindat.org. |
Related Minerals - Nickel-Strunz Grouping
| 4.FL. | Trébeurdenite | Fe2+2Fe3+4O2(OH)10CO3·3H2O | Trig. 3m (3 2/m) : R3m |
| 4.FL.05 | Woodallite | Mg6Cr2(OH)16Cl2 · 4H2O | Trig. |
| 4.FL.05 | Iowaite | Mg6Fe3+2(OH)16Cl2 · 4H2O | Trig. 3m (3 2/m) : R3m |
| 4.FL.05 | Jamborite | Ni2+1-xCo3+x(OH)2-x(SO4)x · nH2O | Trig. 3m (3 2/m) : R3m |
| 4.FL.05 | Meixnerite | Mg6Al2(OH)16(OH)2 · 4H2O | Trig. 3m (3 2/m) : R3m |
| 4.FL.05 | Muskoxite | Mg7Fe4O13 · 10H2O | Trig. 3m (3 2/m) |
| 4.FL.05 | Fougèrite | Fe2+4Fe3+2(OH)12[CO3]·3H2O | Trig. 3m (3 2/m) : R3m |
| 4.FL.10 | Hydrocalumite | Ca4Al2(OH)12(Cl,CO3,OH)2 · 4H2O | Mon. 2 : P21 |
| 4.FL.15 | Kuzelite | Ca4Al2(OH)12[SO4] · 6H2O | Trig. |
| 4.FL.20 | Aurorite | (Mn2+,Ag,Ca)Mn4+3O7 · 3H2O | Trig. 3 : R3 |
| 4.FL.20 | Chalcophanite | ZnMn4+3O7 · 3H2O | Trig. 3 : R3 |
| 4.FL.20 | Ernienickelite | NiMn3O7 · 3H2O | Trig. 3 : R3 |
| 4.FL.20 | Jianshuiite | (Mg,Mn,Ca)Mn3O7 · 3H2O | Trig. 3 : R3 |
| 4.FL.25 | Woodruffite | Zn2+x/2(Mn4+1-xMn3+x)O2·yH2O | Mon. 2/m : B2/m |
| 4.FL.30 | Asbolane | (Ni,Co)2-xMn4+(O,OH)4 · nH2O | Hex. |
| 4.FL.35 | Buserite | Na4Mn14O27 · 21H2O | |
| 4.FL.40 | Ranciéite | (Ca,Mn2+)0.2(Mn4+,Mn3+)O2 · 0.6H2O | Trig. 3 : P3 |
| 4.FL.40 | Takanelite | (Mn,Ca)Mn4O9 · H2O | Hex. |
| 4.FL.45 | Birnessite | (Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O | Mon. 2/m : B2/m |
| 4.FL.55 | Cianciulliite | Mn(Mg,Mn)2Zn2(OH)10 · 2-4H2O | Mon. 2/m : B2/m |
| 4.FL.65 | Leisingite | CuMg2Te6+O6 · 6H2O | Trig. 3 : P3 |
| 4.FL.70 | Akdalaite | 5Al2O3 · H2O | Hex. |
| 4.FL.75 | Cafetite | CaTi2O5 · H2O | Mon. 2/m : P21/b |
| 4.FL.80 | Mourite | UMo5O12(OH)10 | Mon. |
| 4.FL.85 | Deloryite | Cu4(UO2)(MoO4)2(OH)6 | Mon. |
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 Jensenite
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Marty, J., Jensen, M.C., Roberts, A.C. (1993) Minerals of the Centennial Eureka mine, Tintic district, Eureka, Utah. Rocks and Minerals: 68: 406-416.
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.
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.
Jambor, J.L., Kovalenker, V.A., Puziewics, J., Roberts, A.C. (1996) New mineral names. American Mineralogist: 81: 1282-1286.
Mineralogical Record: 27: 464.
Internet Links for Jensenite
mindat.org URL:
https://www.mindat.org/min-2088.html
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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 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 | |
| Analyzed - Collected by Castellaro Fabrizio. |
Mexico | |
| RRUFF database XRD confirmed |
USA (TL) | |
| [Canadian Mineralogist(1996) 34, 49-54; MinRec 27:464] |
Centennial Eureka Mine, Eureka, Tintic Mining District, East Tintic Mts, Juab Co., Utah, USA