Katerinopoulosite
A valid IMA mineral species
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About Katerinopoulosite
Professor A. Katerinopoulos
Formula:
(NH4)2Zn(SO4)2 · 6H2O
Colour:
white, pale blue, pale green
Lustre:
Vitreous
Hardness:
2½
Specific Gravity:
1.97
Crystal System:
Monoclinic
Member of:
Name:
Named in honour of Athanasios Katerinopoulos, Professor of Mineralogy in the Department of Geology, University of Athens, in recognition of his extensive contributions to the knowledge of the mineralogy of the Lavrion deposits. Professor Katerinopoulos is Director of the Museum of Mineralogy and Petrology, University of Athens, and Director of the Laboratory of Museum Studies, University of Athens. He has been granted Awards by the Society of Greek Litterateurs (1993) and the Academy of Athens (1996 & 2010), as well as the Honorary Diploma of the Russian Mineralogical Society (2011 & 2014).
Type Locality:
Isostructural with:
Unique combination of elements: the first confirmed/approved N-Zn mineral species (compare ebnerite). The Zn analogue of boussingaultite, mohrite, and nickelboussingaultite.
Compare 'amminite', 'UM2009-//-CN:FeHKZn', and 'Unnamed (NH4-Zn-Fe Chloride)'.
Compare 'amminite', 'UM2009-//-CN:FeHKZn', and 'Unnamed (NH4-Zn-Fe Chloride)'.
Unique Identifiers
Mindat ID:
51829
Long-form identifier:
mindat:1:1:51829:5
GUID
(UUID V4):
(UUID V4):
03f1d97f-4aba-4947-9937-0352d277a4cf
IMA Classification of Katerinopoulosite
Approved
Approval year:
2017
First published:
2018
Classification of Katerinopoulosite
7.CC.60
7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
C : Sulfates (selenates, etc.) without additional anions, with H2O
C : With medium-sized and large cations
7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
C : Sulfates (selenates, etc.) without additional anions, with H2O
C : With medium-sized and large cations
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 |
|---|---|---|
| Kpo | 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 Katerinopoulosite
Vitreous
Colour:
white, pale blue, pale green
Streak:
White
Hardness:
2½ on Mohs scale
Tenacity:
Brittle
Cleavage:
None Observed
Parting:
None observed
Fracture:
Irregular/Uneven
Density:
1.97(2) g/cm3 (Measured) 1.986 g/cm3 (Calculated)
Optical Data of Katerinopoulosite
Type:
Biaxial (+)
RI values:
nα = 1.492(2) nβ = 1.496(2) nγ = 1.502(2)
2V:
Measured: 80° (5), Calculated: 79°
Max Birefringence:
δ = 0.010
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
Chemistry of Katerinopoulosite
Mindat Formula:
(NH4)2Zn(SO4)2 · 6H2O
Crystallography of Katerinopoulosite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Setting:
P21/a
Cell Parameters:
a = 9.230(6) Å, b = 12.476(4) Å, c = 6.249(4) Å
β = 106.79(5)°
β = 106.79(5)°
Ratio:
a:b:c = 0.74 : 1 : 0.501
Unit Cell V:
688.9 ų
Z:
2
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 6.00 Å | (18) |
| 5.400 Å | (37) |
| 4.411 Å | (19) |
| 4.314 Å | (19) |
| 4.229 Å | (24) |
| 4.161 Å | (100) |
| 3.749 Å | (53) |
| 3.034 Å | (29) |
Comments:
From Type Description.
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] | |
| Stage 10b: Anthropogenic minerals | <10 Ka |
| 55 : Anthropogenic mine minerals |
Type Occurrence of Katerinopoulosite
General Appearance of Type Material:
white, pale blue or pale green vermiform polycrystalline aggregates
Place of Conservation of Type Material:
Type material is deposited in the collections of the Fersman Mineralogical Museum of the Russian Academy of Sciences, Moscow, Russia, registration number 5014/1
Empirical Formula of Type Material:
H0.13(NH4)1.91(Zn0.86Ni0.10Cu0.02)(SO4)2.00·6.75H2O
Chemical Analysis of Type Material:
| SO3 | 38.33 % |
|---|---|
| (NH4)2O | 11.9 % |
| NiO | 1.82 % |
| CuO | 0.37 % |
| ZnO | 16.83 % |
| H2O | 29.4 % |
| Total: | 98.65 % |
Geological Setting of Type Material:
Oxidation zone of a sphalerite-rich orebody
Reference:
Chukanov, N.V., Pekov, I.V., Belakovskiy, D.I., Britvin, S.N., Stergiou, V., Voudiris, P., Magganas, A. (2018) Katerinopoulosite, (NH4)2Zn(SO4)2·6H2O, a new mineral from the Esperanza mine, Lavrion, Greece. European Journal of Mineralogy: 30(4): 821-826.
Synonyms of Katerinopoulosite
Relationship of Katerinopoulosite to other Species
Member of:
Other Members of this group:
| Boussingaultite | (NH4)2Mg(SO4)2 · 6H2O | Mon. 2/m : P21/b |
| Cyanochroite | K2Cu(SO4)2 · 6H2O | Mon. 2/m : P21/b |
| Mohrite | (NH4)2Fe(SO4)2 · 6H2O | Mon. 2/m : P21/b |
| Nickelboussingaultite | (NH4)2Ni(SO4)2 · 6H2O | Mon. 2/m : P21/b |
| Nickelpicromerite | K2Ni(SO4)2 · 6H2O | Mon. 2/m : P21/b |
| Picromerite | K2Mg(SO4)2 · 6H2O | Mon. 2/m : P2/b |
Common Associates
Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat Grouping
| 7.CC. | Cobaltoblödite | Na2Co(SO4)2 · 4H2O |
| 7.CC. | Andychristyite | PbCu2+Te6+O5(H2O) |
| 7.CC. | Ammoniovoltaite | (NH4)2Fe2+5Fe3+3Al(SO4)12(H2O)18 |
| 7.CC.05 | Krausite | KFe(SO4)2 · H2O |
| 7.CC.10 | Tamarugite | NaAl(SO4)2 · 6H2O |
| 7.CC.15 | Kalinite | KAl(SO4)2 · 11H2O |
| 7.CC.15 | Mendozite | NaAl(SO4)2 · 11H2O |
| 7.CC.20 | Lonecreekite | (NH4)Fe3+(SO4)2 · 12H2O |
| 7.CC.20 | Alum-(K) | KAl(SO4)2 · 12H2O |
| 7.CC.20 | Alum-(Na) | NaAl(SO4)2 · 12H2O |
| 7.CC.20 | Tschermigite | (NH4)Al(SO4)2 · 12H2O |
| 7.CC.20 | Lanmuchangite | Tl+Al(SO4)2 · 12H2O |
| 7.CC.25 | Voltaite | K2Fe2+5Fe3+3Al(SO4)12 · 18H2O |
| 7.CC.25 | Zincovoltaite | K2Zn5Fe3+3Al(SO4)12 · 18H2O |
| 7.CC.25 | Pertlikite | K2(Fe2+,Mg)2Mg4Fe3+2Al(SO4)12 · 18H2O |
| 7.CC.25 | Ammoniomagnesiovoltaite | (NH4)2Mg2+5Fe3+3Al(SO4)12 · 18H2O |
| 7.CC.25 | Magnesiovoltaite | K2Mg5Fe3+3Al(SO4)12 · 18H2O |
| 7.CC.30 | Kröhnkite | Na2Cu(SO4)2 · 2H2O |
| 7.CC.35 | Ferrinatrite | Na3Fe(SO4)3 · 3H2O |
| 7.CC.40 | Goldichite | KFe(SO4)2 · 4H2O |
| 7.CC.45 | Löweite | Na12Mg7(SO4)13 · 15H2O |
| 7.CC.50 | Blödite | Na2Mg(SO4)2 · 4H2O |
| 7.CC.50 | Nickelblödite | Na2(Ni,Mg)(SO4)2 · 4H2O |
| 7.CC.50 | Changoite | Na2Zn(SO4)2 · 4H2O |
| 7.CC.55 | Leonite | K2Mg(SO4)2 · 4H2O |
| 7.CC.55 | Mereiterite | K2Fe(SO4)2 · 4H2O |
| 7.CC.60 | Boussingaultite | (NH4)2Mg(SO4)2 · 6H2O |
| 7.CC.60 | Cyanochroite | K2Cu(SO4)2 · 6H2O |
| 7.CC.60 | Mohrite | (NH4)2Fe(SO4)2 · 6H2O |
| 7.CC.60 | Nickelboussingaultite | (NH4)2Ni(SO4)2 · 6H2O |
| 7.CC.60 | Picromerite | K2Mg(SO4)2 · 6H2O |
| 7.CC.60 | Nickelpicromerite | K2Ni(SO4)2 · 6H2O |
| 7.CC.65 | Polyhalite | K2Ca2Mg(SO4)4 · 2H2O |
| 7.CC.70 | Leightonite | K2Ca2Cu(SO4)4 · 2H2O |
| 7.CC.75 | Amarillite | NaFe(SO4)2 · 6H2O |
| 7.CC.80 | Konyaite | Na2Mg(SO4)2 · 5H2O |
| 7.CC.85 | Wattevilleite | Na2Ca(SO4)2 · 4H2O (?) |
| 7.CC.85 | Xocolatlite | Ca2Mn4+2(Te6+O6)2 · H2O |
| 7.CC.90 | Eckhardite | (Ca,Pb)Cu2+Te6+O5(H2O) |
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 Katerinopoulosite
mindat.org URL:
https://www.mindat.org/min-51829.html
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References for Katerinopoulosite
Reference List:
Localities for Katerinopoulosite
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.
Germany | |
| Remmert, Marc (2023) Personal Communication. Identified by Marc Remmert: Visual Identification |
Greece (TL) | |
|
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Esperanza Mine, Kaminiza mines, Km 3, Lavrion Mining District, Lavreotiki, East Attica, Attica, Greece