Johannite
A valid IMA mineral species - grandfathered
This page is currently not sponsored. Click here to sponsor this page.
About Johannite
Archduke John of Austria
Formula:
Cu(UO2)2(SO4)2(OH)2 · 8H2O
Colour:
Emerald-green, apple-green
Lustre:
Vitreous
Hardness:
2 - 2½
Specific Gravity:
3.32
Crystal System:
Triclinic
Name:
After Archduke Johann (1782-1859) of Austria, founder of the Styrian Landesmuseum, Graz.
Unique Identifiers
Mindat ID:
2102
Long-form identifier:
mindat:1:1:2102:5
GUID
(UUID V4):
(UUID V4):
cd1185ad-a8f7-45d1-9d56-f3d0486bed09
IMA Classification of Johannite
Approved, 'Grandfathered' (first described prior to 1959)
Type description reference:
Classification of Johannite
7.EB.05
7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
E : Uranyl sulfates
B : With medium-sized cations
7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
E : Uranyl sulfates
B : With medium-sized cations
31.8.2.1
31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
8 : (AB)3(XO4)2Zq·xH2O
31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
8 : (AB)3(XO4)2Zq·xH2O
25.8.12
25 : Sulphates
8 : Sulphates of Sb, V, Cr and U
25 : Sulphates
8 : Sulphates of Sb, V, Cr and U
Mineral Symbols
As of 2021 there are now IMAâCNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Jh | IMAâCNMNC | Warr, L.N. (2021). IMAâCNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Johannite
Vitreous
Transparency:
Transparent, Translucent
Colour:
Emerald-green, apple-green
Streak:
Pale green
Hardness:
2 - 2½ on Mohs scale
Cleavage:
Distinct/Good
On {100} good.
On {100} good.
Density:
3.32 g/cm3 (Measured) 3.44 g/cm3 (Calculated)
Optical Data of Johannite
Type:
Biaxial (+/-)
RI values:
nα = 1.572 - 1.577 nβ = 1.592 - 1.597 nγ = 1.612 - 1.616
2V:
Measured: 90° , Calculated: 86° to 88°
Max Birefringence:
δ = 0.040
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:
Moderate
Dispersion:
relatively strong
Pleochroism:
Strong
Comments:
X = Colourless
Y = Light yellow
Z = Greenish or canary-yellow
Y = Light yellow
Z = Greenish or canary-yellow
Chemistry of Johannite
Mindat Formula:
Cu(UO2)2(SO4)2(OH)2 · 8H2O
Crystallography of Johannite
Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 16.54 Å, b = 18.02 Å, c = 6.84 Å
α = 90°, β = 90.63°, γ = 110.62°
α = 90°, β = 90.63°, γ = 110.62°
Ratio:
a:b:c = 0.918 : 1 : 0.38
Unit Cell V:
1,907.93 Ă
Âł (Calculated from Unit Cell)
Z:
1
Morphology:
Crystals prismatic [001] and thick tabular {100}. Subparallel or drusy aggregates; coatings; small spheroidal aggregates of lath-like fibers.
Twinning:
Twin axis [001], composition plane {010} or close to it. Both simple and lamellar, common.
Crystal Structure
Load
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Show
Big Balls | Small Balls | Just Balls | Spacefill
Polyhedra Off | Si Polyhedra | All Polyhedra
Remove metal-metal sticks
Big Balls | Small Balls | Just Balls | Spacefill
Polyhedra Off | Si Polyhedra | All Polyhedra
Remove metal-metal sticks
Display Options
Black Background | White Background
Perspective On | Perspective Off
2D | Stereo | Red-Blue | Red-Cyan
Black Background | White Background
Perspective On | Perspective Off
2D | Stereo | Red-Blue | Red-Cyan
View
CIF File Best | x | y | z | a | b | c
CIF File Best | x | y | z | a | b | c
Rotation
Stop | Start
Stop | Start
Labels
Console Off | On | Grey | Yellow
Console Off | On | Grey | Yellow
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) |
|---|---|---|---|---|---|---|---|
| 0015685 | Johannite | Mereiter K (1982) Die kristallstruktur des johannits, Cu(UO2)2(OH)2(SO4)2*8H2O Tschermaks Mineralogische und Petrographische Mitteilungen 30 47-57 | 1982 | Joachimsthal, Czech Republic | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 7.73 Ă | (10) |
| 6.16 Ă | (9) |
| 4.38 Ă | (6) |
| 3.87 Ă | (7) |
| 3.41 Ă | (8) |
| 3.13 Ă | (7) |
| 3.04 Ă | (7) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 7: Great Oxidation Event | <2.4 |
| 47a : [Near-surface hydration of prior minerals] | |
| 47b : [Sulfates and sulfites] | |
| 47f : [Uranyl (Uâ¶âș) minerals] | |
| Stage 10b: Anthropogenic minerals | <10 Ka |
| 55 : Anthropogenic mine minerals |
Type Occurrence of Johannite
Place of Conservation of Type Material:
Natural History Museum, Vienna, Austria, A.a.186.
Reference:
Haidinger W (1830) On johannite, a new mineral species. The Edinburgh Journal of Science 3, 306-310
Other Language Names for Johannite
Varieties of Johannite
Common Associates
Associated Minerals Based on Photo Data:
| 26 photos of Johannite associated with Zippeite | K3(UO2)4(SO4)2O3(OH) · 3H2O |
| 21 photos of Johannite associated with Chalcanthite | CuSO4 · 5H2O |
| 15 photos of Johannite associated with Gypsum | CaSO4 · 2H2O |
| 7 photos of Johannite associated with Andersonite | Na2Ca(UO2)(CO3)3 · 6H2O |
| 5 photos of Johannite associated with Magnesiozippeite | Mg(UO2)2(SO4)O2 · 3.5H2O |
| 3 photos of Johannite associated with Natrozippeite | Na5(UO2)8(SO4)4O5(OH)3 · 12H2O |
| 3 photos of Johannite associated with Devilline | CaCu4(SO4)2(OH)6 · 3H2O |
| 2 photos of Johannite associated with Zippeite Group | |
| 2 photos of Johannite associated with Uranopilite | (UO2)6(SO4)O2(OH)6 · 14H2O |
| 2 photos of Johannite associated with Quartz | SiO2 |
Related Minerals - Strunz-mindat Grouping
| 7.EB. | Bobcookite | NaAl(UO2)2(SO4)4 · 18H2O |
| 7.EB. | Alwilkinsite-(Y) | Y(UO2)3(SO4)2O(OH)3(H2O)7 · 7H2O |
| 7.EB. | Gurzhiite | Al(UO2)(SO4)2F · 10H2O |
| 7.EB.I | Shinarumpite | [Co(H2O)6][(UO2)(SO4)2(H2O)] · 4H2O |
| 7.EB. | Zincorietveldite | Zn(UO2)(SO4)2(H2O)5 |
| 7.EB. | Chenowethite | Mg(H2O)6[(UO2)2(SO4)2(OH)2] · 5H2O |
| 7.EB.05 | Meitnerite | (NH4)(UO2)(SO4)(OH) · 2H2O |
| 7.EB.10 | Deliensite | Fe[(UO2)2(SO4)2(OH)2](H2O)7 |
| 7.EB.10 | Rietveldite | Fe(UO2)(SO4)2(H2O)5 |
| 7.EB.15 | Leydetite | Fe(UO2)(SO4)2 · 11H2O |
| 7.EB.15 | Magnesioleydetite | Mg(UO2)(SO4)2 · 11H2O |
| 7.EB.15 | Strassmannite | Al(UO2)(SO4)2F · 16H2O |
| 7.EB.20 | Greenlizardite | (NH4)Na(UO2)2(SO4)2(OH)2 · 4H2O |
| 7.EB.25 | Markcooperite | Pb2(UO2)(TeO6) |
Other Information
Notes:
Decomposed by water. Soluble in acids.
Radioactive
Radioactive
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 Johannite
mindat.org URL:
https://www.mindat.org/min-2102.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
External Links:
Mineral Dealers:
References for Johannite
Reference List:
OndruĆĄ, P., VeselovskĂœ, F., SkĂĄla, R., CisaĆovĂĄ, I., HlouĆĄek, J., FrĂœda, J., VavĆĂn, I., Äejka, J., GabaĆĄovĂĄ, A. (1997) New naturally occurring phases of secondary origin from JĂĄchymov (Joachimsthal) Journal of the Czech Geological Society, 42 (4) 77-108
Localities for Johannite
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
â - 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.
Argentina | |
| Brodtkorb et al. (3) |
| DE BRODTKORB |
Australia | |
| D.A.Berkman (1968) |
| Private Collection |
Canada | |
| Traill (1983) |
Czech Republic (TL) | |
| Lapis 2002 (7/8) +1 other reference |
| Möhn et al. (12/2021) | |
| PlĂĄĆĄil et al. (2012) +1 other reference |
| Petr Fuchs | |
| Bridget E. McCollam (2002) |
| Tschechien & Slowakei |
France | |
| J.-J. PĂ©richaud: "OĂč trouver les minĂ©raux d'Auvergne" et al. (Clermont-Ferrand) +1 other reference |
| Chollet Pascal Collection |
| - (1998) |
| M.Deliens et al. (2004) |
| [Le Cahier des Micromonteurs |
Gabon | |
| Korbel et al. (1999) |
Germany | |
| Walenta (1992) |
| WeiĂ (1990) |
| Dill et al. (2010) | |
| Witzke (2023) |
| Desor (05/2020) |
| Wittern (2001) | |
| Wittern (2001) |
| T. Witzke & F. RĂŒger: Lapis 1998 (7/8) |
Greece | |
| Wendel (2000) |
| |
Hungary | |
| SzakĂĄll SĂĄndor et al. (2016) +1 other reference |
Italy | |
| Campostrini et al. (2006) |
| Campostrini et al. (2005) |
| Domenico Saccardo et al. (2019) +1 other reference |
Slovenia | |
| Dolenec et al. (1979) +1 other reference |
Spain | |
| www.foro-minerales.com (2020) |
| Castillo-Oliver et al. (2019) |
Switzerland | |
| Brugger et al. (2003) |
Tajikistan | |
| Chernikov et al. (1997) |
| Chernikov et al. (1997) |
UK | |
| Paul De Bondt collection |
| |
| Collins (1871) +1 other reference | |
| Golley et al. (1995) |
USA | |
| Grant et al. (2005) |
| Axelrod et al. (1951) +2 other references |
| Van Nostrand Reinholt Press: 303 +2 other references |
| Ford +2 other references |
| Korbel et al. (1999) | |
| Eckel et al. (1997) | |
| Eckel et al. (1997) |
| Eckel et al. (1997) |
| Eckel et al. (1997) |
| Eckel et al. (1997) |
| Eckel et al. (1997) |
| Eckel et al. (1997) |
| Eckel et al. (1997) |
| Eckel et al. (1997) |
| Schooner (1958) |
| Schooner (1958) | |
| NMBMMR Memoir 15 Geology and Technology ... +1 other reference |
| Bridget E. McCollam (2002) |
| Bullock (1981) |
| Bullock (1981) | |
| Bullock (1981) |
| Bullock (1981) |
| Bullock (1981) |
| Bullock (1981) |
| USGS: Geological Survey Circular 217 |
| USGS: Geological Survey Circular 217 | |
| Collected by and in the collections of ... +2 other references |
| Collected and analyzed by Joy Desor. | |
| HĂ„lenius et al. (2015) +2 other references | |
| USGS: Geological Survey Circular 217 | |
| Travis Olds collection +1 other reference | |
| Bullock (1981) | |
| Bullock (1981) | |
| USGS: Geological Survey Circular 217 | |
| PlĂĄĆĄil et al. (2013) |
| USGS: Geological Survey Circular 217 | |
| Collected by and in the collection of ... | |
| USGS: Geological Survey Circular 217 | |
| Min Rec 2:210-211 +8 other references | |
| USGS: Geological Survey Circular 217 | |
| USGS: Geological Survey Circular 217 |
| USGS: Geological Survey Circular 217 | |
| Bullock (1981) |
Quick NavTopAbout JohanniteUnique IdentifiersIMA Classification Classification Mineral SymbolsPhysical Properties Optical Data Chemistry Crystallography Crystal StructureX-Ray Powder DiffractionGeological EnvironmentType Occurrence Other LanguagesVarietiesCommon AssociatesStrunz-MindatOther InformationInternet Links References Localities Locality List
Krunkelbach Valley Uranium deposit, Menzenschwand, St Blasien, Waldshut, Freiburg Region, Baden-WĂŒrttemberg, Germany