Rewitzerite
A valid IMA mineral species
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Formula:
[K(H2O)]Mn2Al3(PO4)4(OH)2 · 14H2O
Colour:
colorless
Specific Gravity:
2.33 (Calculated)
Crystal System:
Monoclinic
Member of:
Name:
for Christian Rewitzer, (born 1955) of Furth im Wald, Bavaria. Faculty Member of Ludwig-Maximilians-Universität München, active mineral collector and Mindat user.
The hydroxyl analogue of fluor-rewitzerite. Also related to pleysteinite.
Compare dickinsonite-(KMnNa).
from the 47 m level of the Hagendorf Süd pegmatite mine quarry
Compare dickinsonite-(KMnNa).
from the 47 m level of the Hagendorf Süd pegmatite mine quarry
Unique Identifiers
Mindat ID:
470779
Long-form identifier:
mindat:1:1:470779:6
GUID
(UUID V4):
(UUID V4):
3bec930c-7259-4688-9ef3-1ccb55518ec2
IMA Classification of Rewitzerite
Classification of Rewitzerite
8.DG.05
8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
G : With large and medium-sized cations, (OH, etc.):RO4< 0.5:1
8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
G : With large and medium-sized cations, (OH, etc.):RO4< 0.5:1
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 |
---|---|---|
Rwz | 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 Rewitzerite
Colour:
colorless
Density:
2.33 g/cm3 (Calculated)
Optical Data of Rewitzerite
Type:
Biaxial (+)
RI values:
nα = 1.585(2) nβ = 1.586(2) nγ = 1.615(2)
2V:
Measured: 25° (2)
Max Birefringence:
δ = 0.030
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:
none
Pleochroism:
Non-pleochroic
Chemistry of Rewitzerite
Mindat Formula:
[K(H2O)]Mn2Al3(PO4)4(OH)2 · 14H2O
Chemical Analysis
Empirical formulas:
Sample ID | Empirical Formula |
---|---|
1 | A1[K0.77(H2O)0.23]A2[H2O]M1(Mn2+0.82Mg0.64Fe3+0.43◻0.11)M2+M3Σ2.00(Al1.51Ti4+1.06Fe3+0.43)Σ3.00(PO4)X4[(OH)0.54F0.42O1.04]Σ2.00(H2O)10·4H2O |
Sample references:
Crystallography of Rewitzerite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Setting:
P21/c
Cell Parameters:
a = 10.444(2) Å, b = 20.445(2) Å, c = 12.269(1) Å
β = 90.17(3)°
β = 90.17(3)°
Ratio:
a:b:c = 0.511 : 1 : 0.6
Unit Cell V:
2,619.76 ų (Calculated from Unit Cell)
Z:
4
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
10.26 Å | (53) |
7.44 Å | (55) |
6.16 Å | (92) |
5.19 Å | (40) |
3.703 Å | (57) |
3.111 Å | (97) |
2.862 Å | (100) |
2.600 Å | (46) |
Comments:
collections of (1) the Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, CA 90007, USA, catalogue numbers 76280 (holotype), and (2) the Mineralogical State Collection, Theresienstraße 39, 80333 Munich, Germany, catalogue number MSM38037 (cotype)
Type Occurrence of Rewitzerite
General Appearance of Type Material:
clusters of colourless elongated hexagonal-shaped prisms, up to 0.1 mm long
Place of Conservation of Type Material:
The holotype specimen is housed in the mineralogical collections of the Natural History Museum of Los Angeles County, catalogue number 76280. Portions of the original holotype specimen, used for
the initial characterisation using energy-dispersive X-ray analysis, and for the colour images are registered as cotype specimens at the Mineralogical State Collection Munich (SNSB), registration number MSM38037.
the initial characterisation using energy-dispersive X-ray analysis, and for the colour images are registered as cotype specimens at the Mineralogical State Collection Munich (SNSB), registration number MSM38037.
Associated Minerals at Type Locality:
Synonyms of Rewitzerite
Relationship of Rewitzerite to other Species
Member of:
Other Members of this group:
Benyacarite | (H2O)2Mn2Ti2Fe3+(PO4)4(OF)(H2O)10 · 4H2O | Orth. mmm (2/m 2/m 2/m) : Pbca |
Hochleitnerite | Mn2Ti3(PO4)4O2(H2O)2 · 14H2O | Orth. mmm (2/m 2/m 2/m) : Pbca |
Hydroxylbenyacarite | (H2O)2Mn2(Ti2Fe)(PO4)4[O(OH)](H2O)10 · 4H2O | Orth. mmm (2/m 2/m 2/m) : Pbca |
Macraeite | K(H2O)Mn2(Fe2Ti)(PO4)4[O(OH)](H2O)10 · 4H2O | Mon. 2/m : P21/b |
Mantienneite | KMg2Al2Ti(PO4)4(OH)3 · 15H2O | Orth. mmm (2/m 2/m 2/m) : Pbca |
Paulkerrite | K(Mg,Mn2+)2(Fe3+,Al,Ti,Mg)2Ti(PO4)4(OH)3 · 15H2O | Mon. m |
Pleysteinite | [(H2O)0.5K0.5]2Mn2Al3(PO4)4F2 · 14H2O | Orth. mmm (2/m 2/m 2/m) : Pbca |
Related Minerals - Strunz-mindat Grouping
8.DG. | Jasonsmithite | Mn2+4ZnAl(PO4)4(OH)(H2O)7 · 3.5H2O |
8.DG. | Davidbrownite-(NH4) | (NH4)5(V4+O)2(C2O4)[PO2.75(OH)1.25]4 · 3H2O |
8.DG. | Relianceite-(K) | K4Mg(V4+O)2(C2O4)(PO3OH)4(H2O)10 |
8.DG. | Pleysteinite | [(H2O)0.5K0.5]2Mn2Al3(PO4)4F2 · 14H2O |
8.DG.05 | Lavendulan | NaCaCu5(AsO4)4Cl · 5H2O |
8.DG.05 | Sampleite | NaCaCu5(PO4)4Cl · 5H2O |
8.DG.05 | Shubnikovite | Ca2Cu8(AsO4)6(OH)Cl · 7H2O |
8.DG.05 | Zdenĕkite | NaPbCu5(AsO4)4Cl · 5H2O |
8.DG.05 | Lemanskiite | NaCaCu5(AsO4)4Cl · 3H2O |
8.DG.05 | Fluor-rewitzerite | [(H2O)K]Mn2(Al2Ti)(PO4)4(OF)(H2O)10 · 4H2O |
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 Rewitzerite
mindat.org URL:
https://www.mindat.org/min-470779.html
Please feel free to link to this page.
Please feel free to link to this page.
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External Links:
Mineral Dealers:
References for Rewitzerite
Reference List:
Bosi, Ferdinando, Hatert, Frédéric, Pasero, Marco, Mills, Stuart J. (2023) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) – Newsletter 73. European Journal of Mineralogy, 35 (3) 397-402 doi:10.5194/ejm-35-397-2023
Grey, Ian E., Hochleitner, Rupert, Kampf, Anthony R., Boer, Stephanie, MacRae, Colin M., Mumme, William G., Keck, Erich (2023) Rewitzerite, K(H2O)Mn2(Al2Ti)(PO4)4[O(OH)](H2O)10⋅4H2O, a new monoclinic paulkerrite-group mineral, from the Hagendorf-Süd pegmatite, Oberpfalz, Bavaria, Germany. Mineralogical Magazine, 1-29 doi:10.1180/mgm.2023.55
Localities for Rewitzerite
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).
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.
All localities listed without proper references should be considered as questionable.
Germany (TL) | |
| Bosi et al. (2023) |