Kieserite (original) (raw)
A valid IMA mineral species - grandfathered
About KieseriteHide
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Colour:
Colourless, greyish-white, yellowish; colourless in transmitted light.
Crystal System:
Monoclinic
Name:
Named in honor of Dietrich Georg Kieser (24 August 1779, Harburg / Elbe - 11 October 1862, Jena), German physician and professor at the University of Jena. He also worked as a physician at the therapeutic spas at Heilbad Berka/Ilm.
Kieserite Group.
Forms a complete solid solution with szomolnokite (Talla and Wildner, 2019).
A solid solution with cobaltkieserite is known at least in the synthetic state, lacking miscibility gap and cation ordering (Bechtold and Wildner, 2016).
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:2204:6
5d4c404c-b08e-437f-b87e-692f228cd312
IMA Classification of KieseriteHide
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Approved, 'Grandfathered' (first described prior to 1959)
IMA Formula:
Mg(SO4) · H2O
Type description reference:
Classification of KieseriteHide
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7.CB.05
7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
C : Sulfates (selenates, etc.) without additional anions, with H2O
B : With only medium-sized cations
29.6.2.1
29 : HYDRATED ACID AND NORMAL SULFATES
6 : AXO4·xH2O
25.3.1
25 : Sulphates
3 : Sulphates of Mg
Mineral SymbolsHide
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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Ksr | 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 KieseriteHide
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Colour:
Colourless, greyish-white, yellowish; colourless in transmitted light.
Cleavage:
Perfect
{110} and {111} perfect, {111}, {101}, and {011} imperfect.
Density:
2.571 g/cm3 (Measured) 2.571 g/cm3 (Calculated)
Optical Data of KieseriteHide
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RI values:
_n_α = 1.520 _n_β = 1.533 _n_γ = 1.584
2V:
Measured: 55° , Calculated: 56°
δ = 0.064
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Dispersion:
relatively strong
Chemistry of KieseriteHide
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Mindat Formula:
MgSO4 · H2O
Crystallography of KieseriteHide
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Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 7.51 Å, b = 7.61 Å, c = 6.92 Å
β = 116.17°
Ratio:
a:b:c = 0.987 : 1 : 0.909
Unit Cell V:
354.94 ų (Calculated from Unit Cell)
Morphology:
Crystals rare; mostly bipyramidal {111}, {110}, and {011}. Highly modified at times. Mostly massive, coarse to fine-granular.
Twinning:
Contact twins on {001} rare. Polysynthetic twinning, with twin axis [110] (?), commonly observed in grains under magnification.
Crystal StructureHide
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| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0018262 | Kieserite | Bregeault J, Herpin P, Manoli J, Pannetier G (1970) Affinement de la structure de la Kieserite Mg (S O4) (H2 O) _cod_database_code 1100087 Bulletin de la Societe Chimique de France 1970 4243-4248 | 1970 | 0 | 293 | ||
| 0018263 | Kieserite | Leonhardt J, Weiss R (1957) Das Kristallgitter des Kieserits MgSO4*H2O Naturwissenschaften 44 338-339 | 1957 | 0 | 293 | ||
| 0014714 | Kieserite | Hawthorne F C, Groat L A, Raudsepp M, Ercit T S (1987) Kieserite, Mg(SO4)(H2O), a titanite-group mineral Neues Jahrbuch fur Mineralogie, Abhandlungen 157 121-132 | 1987 | Wathlingen, Hanover, Germany | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder DiffractionHide
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Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 3.41 Å | (10) |
| 4.84 Å | (9) |
| 3.33 Å | (9) |
| 2.527 Å | (9) |
| 2.055 Å | (9) |
| 3.05 Å | (8) |
| 2.567 Å | (8) |
Geological EnvironmentHide
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Geological Setting:
Typically in marine salt deposits; rarely as a volcanic sublimate or efflorescence
Type Occurrence of KieseriteHide
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Geological Setting of Type Material:
Salt deposit of oceanic origin.
Associated Minerals at Type Locality:
Reference:
Reichardt E (1861) Neue mineralien von Staβfurth. Berg- und Huttenmannische Zeitung 20, 39-39
Synonyms of KieseriteHide
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Other Language Names for KieseriteHide
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Relationship of Kieserite to other SpeciesHide
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Other Members of this group:
Common AssociatesHide
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Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat GroupingHide
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| 7.CB. | Sarvodaite | Al2(SO4)3 · 5H2O | Mon. 2/m : _P_21/m |
|---|---|---|---|
| 7.CB.02 | Voudourisite | CdSO4 · H2O | Mon. 2/m : _P_21/m |
| 7.CB.05 | Dwornikite | Ni(SO4) · H2O | Mon. 2/m : _B_2/b |
| 7.CB.05 | Gunningite | ZnSO4 · H2O | Mon. 2/m : _B_2/b |
| 7.CB.05 | Poitevinite | (Cu,Fe)SO4 · H2O | Tric. 1 : _P_1 |
| 7.CB.05 | Szmikite | MnSO4 · H2O | Mon. 2/m : _B_2/b |
| 7.CB.05 | Szomolnokite | FeSO4 · H2O | Mon. 2/m : _B_2/b |
| 7.CB.05 | Cobaltkieserite | CoSO4 · H2O | Mon. 2/m : _B_2/b |
| 7.CB.07 | Sanderite | MgSO4 · 2H2O | Orth. 222 : _P_212121 |
| 7.CB.10 | Bonattite | CuSO4 · 3H2O | Mon. m : B b |
| 7.CB.12 | Belogubite | CuZn(SO4)2 · 10H2O | Tric. 1 : _P_1 |
| 7.CB.15 | Aplowite | (Co,Mn,Ni)SO4 · 4H2O | Mon. 2/m |
| 7.CB.15 | Boyleite | (Zn,Mg)SO4 · 4H2O | Mon. 2/m : _P_21/b |
| 7.CB.15 | Ilesite | Mn2+(SO4) · 4H2O | Mon. 2/m |
| 7.CB.15 | Rozenite | FeSO4 · 4H2O | Mon. 2/m : _P_21/b |
| 7.CB.15 | Starkeyite | MgSO4 · 4H2O | Mon. 2/m : _P_21/b |
| 7.CB.15 | Drobecite | CdSO4 · 4H2O | Mon. 2/m : _P_21/m |
| 7.CB.15 | Cranswickite | MgSO4 · 4H2O | Mon. m : B b |
| 7.CB.20 | Chalcanthite | CuSO4 · 5H2O | Tric. 1 : _P_1 |
| 7.CB.20 | Jôkokuite | MnSO4 · 5H2O | Tric. 1 : _P_1 |
| 7.CB.20 | Pentahydrite | MgSO4 · 5H2O | Tric. 1 : _P_1 |
| 7.CB.20 | Siderotil | FeSO4 · 5H2O | Tric. |
| 7.CB.25 | Bianchite | Zn(SO4) · 6H2O | Mon. 2/m : _P_2/m |
| 7.CB.25 | Chvaleticeite | Mn(SO4) · 6H2O | Mon. 2/m : _B_2/b |
| 7.CB.25 | Ferrohexahydrite | FeSO4 · 6H2O | Mon. 2/m : _B_2/b |
| 7.CB.25 | Hexahydrite | MgSO4 · 6H2O | Mon. 2/m : _P_2/m |
| 7.CB.25 | Moorhouseite | Co(SO4) · 6H2O | Mon. 2/m : _B_2/b |
| 7.CB.25 | Nickelhexahydrite | Ni(SO4) · 6H2O | Mon. 2/m : _B_2/b |
| 7.CB.30 | Retgersite | NiSO4 · 6H2O | Tet. 422 : _P_41212 |
| 7.CB.35 | Bieberite | CoSO4 · 7H2O | Mon. 2/m : _P_2/m |
| 7.CB.35 | Boothite | CuSO4 · 7H2O | Mon. 2/m : _P_21/b |
| 7.CB.35 | Mallardite | MnSO4 · 7H2O | Mon. 2/m : _P_2/m |
| 7.CB.35 | Melanterite | Fe2+(H2O)6SO4 · H2O | Mon. 2/m : _P_21/b |
| 7.CB.35 | Zincmelanterite | (Zn,Cu,Fe)SO4 · 7H2O | Mon. 2/m : _P_21/b |
| 7.CB.35 | Alpersite | (Mg,Cu)(SO4) · 7H2O | Mon. 2/m : _P_21/b |
| 7.CB.40 | Epsomite | MgSO4 · 7H2O | Orth. 222 : _P_212121 |
| 7.CB.40 | Goslarite | ZnSO4 · 7H2O | Orth. 222 : _P_212121 |
| 7.CB.40 | Morenosite | NiSO4 · 7H2O | Orth. 222 : _P_212121 |
| 7.CB.45 | Alunogen | Al2(SO4)3 · 17H2O | Tric. 1 : _P_1 |
| 7.CB.45 | Meta-alunogen | Al2(SO4)3 · 12H2O | Orth. |
| 7.CB.50 | Aluminocoquimbite | Al2Fe2(SO4)6(H2O)12 · 6H2O | Trig. 3_m_ _(_32/m ) : P_31_c |
| 7.CB.50 | Lazaridisite | 3CdSO4 · 8H2O | Mon. 2/m : _B_2/b |
| 7.CB.52 | Pararaisaite | CuMg[Te6+O4(OH)2] · 6H2O | Mon. 2/m : _P_21/b |
| 7.CB.55 | Coquimbite | AlFe3(SO4)6(H2O)12 · 6H2O | Trig. 3_m_ _(_32/m ) : P_31_c |
| 7.CB.55 | Paracoquimbite | Fe4(SO4)6(H2O)12 · 6H2O | Trig. 3 : _R_3 |
| 7.CB.55 | Rhomboclase | (H5O2)Fe3+(SO4)2 · 2H2O | Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a |
| 7.CB.55 | Raisaite | CuMg[Te6+O4(OH)2] · 6H2O | Mon. 2/m : _B_2/b |
| 7.CB.57 | Caichengyunite | Fe2+3Al2(SO4)6 · 30H2O | Mon. |
| 7.CB.60 | Kornelite | Fe2(SO4)3 · 7H2O | Mon. 2/m : _P_21/m |
| 7.CB.65 | Quenstedtite | Fe2(SO4)3 · 11H2O | Tric. 1 : _P_1 |
| 7.CB.70 | Lausenite | Fe2(SO4)3 · 5H2O | Mon. 2/m : _P_21/m |
| 7.CB.75 | Lishizhenite | ZnFe2(SO4)4 · 14H2O | Tric. 1 : _P_1 |
| 7.CB.75 | Römerite | Fe2+Fe3+2(SO4)4 · 14H2O | Tric. 1 : _P_1 |
| 7.CB.80 | Ransomite | CuFe2(SO4)4 · 6H2O | Mon. 2/m : _P_21/b |
| 7.CB.85 | Apjohnite | Mn2+Al2(SO4)4 · 22H2O | Mon. 2/m : _P_21/b |
| 7.CB.85 | Bílinite | Fe2+Fe3+2(SO4)4 · 22H2O | Mon. 2/m : _P_21/b |
| 7.CB.85 | Dietrichite | (Zn,Fe2+,Mn2+)Al2(SO4)4 · 22H2O | Mon. 2/m : _P_21/b |
| 7.CB.85 | Halotrichite | FeAl2(SO4)4 · 22H2O | Mon. 2 : _P_2 |
| 7.CB.85 | Pickeringite | MgAl2(SO4)4 · 22H2O | Mon. 2/m : _P_21/b |
| 7.CB.85 | Redingtonite | (Fe2+,Mg,Ni)(Cr,Al)2(SO4)4 · 22H2O | Mon. 2 |
| 7.CB.85 | Wupatkiite | (Co,Mg,Ni)Al2(SO4)4 · 22H2O | Mon. 2/m : _P_21/b |
| 7.CB.90 | Meridianiite | MgSO4 · 11H2O | Tric. 1 : _P_1 |
Other InformationHide
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Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Kieserite in petrologyHide
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An essential component of rock names highlighted in red, an accessory component in rock names highlighted in green.
Internet Links for KieseriteHide
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References for KieseriteHide
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Reference List:
Localities for KieseriteHide
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This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the 
symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
Locality ListHide
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- 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). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.