The name is for Pleystein, a municipality in Bavaria, Germany. The Hagendorf-Süd pegmatite, the type locality, is located near the municipal area of Pleystein.

Type Locality:

ⓘ Hagendorf South Pegmatite, Hagendorf, Waidhaus, Neustadt an der Waldnaab District, Upper Palatinate, Bavaria, Germany

The Mn²⁺ (or rather (H2O)KAl2TiF-) analogue of mantienneite and the Al (or rather H2OKAlO-) analogue of benyacarite. Also the F analogue of rewitzerite.

Unique IdentifiersHide

Mindat ID:

470496

Long-form identifier:

mindat:1:1:470496:2

GUID
(UUID V4):

bbf82867-1f5a-477a-a9db-da647ad2d0f0

IMA Classification of PleysteiniteHide

IMA status:

Approved

IMA Formula:

[(H₂O)_0.5K_0.5]₂Mn₂Al₃(PO₄)₄F₂ · 4H₂O

First published:

2023

Classification of PleysteiniteHide

Strunz-mindat (2024):

8.DG.

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 SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Symbol	Source	Reference
Pley	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 PleysteiniteHide

Transparency:

Transparent

Colour:

Colorless

Density:

2.34 g/cm³ (Calculated)

Optical Data of PleysteiniteHide

Type:

Biaxial (+)

RI values:

n_α = 1.566(2) n_β = 1.580(2) n_γ = 1.600(2)

2V:

Measured: 80° (1), Calculated: 80.7°

Max Birefringence:

δ = 0.034

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Surface Relief:

Moderate

Dispersion:

None.

Optical Extinction:

X = c; Y = b; Z = a.

Pleochroism:

Not Visible

Chemistry of PleysteiniteHide

Mindat Formula:

[(H₂O)_0.5K_0.5]₂Mn₂Al₃(PO₄)₄F₂ · 14H₂O

Elements listed:

Al, F, H, K, Mn, O, P - search for minerals with similar chemistry

Crystallography of PleysteiniteHide

Crystal System:

Orthorhombic

Class (H-M):

mmm (2/m 2/m 2/m) - Dipyramidal

Space Group:

Pbca

Setting:

Pbca

Cell Parameters:

a = 10.4133(8) Å, b = 20.524(2) Å, c = 12.265(1) Å

Ratio:

a:b:c = 0.507 : 1 : 0.598

Unit Cell V:

2,621.31 Å³ (Calculated from Unit Cell)

Morphology:

Stubby prisms flattened on {010} with pyramidal terminations. Forms include {111}, {100} and {001}.

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
10.29 Å	(49)
7.41 Å	(65)
6.13 Å	(100)
5.20 Å	(43)
3.699 Å	(59)
3.122 Å	(69)
2.859 Å	(76)
2.606 Å	(37)

Type Occurrence of PleysteiniteHide

Type Locality:

ⓘ Hagendorf South Pegmatite, Hagendorf, Waidhaus, Neustadt an der Waldnaab District, Upper Palatinate, Bavaria, Germany

General Appearance of Type Material:

Isolated and small aggregates of colourless, stubby prisms that are typically 10 to 30 µm wide and up to 100 µm long.

Place of Conservation of Type Material:

Type material is deposited in the collections of the Staatlichen Naturwissenschaftlichen Sammlungen Bayerns, Menzinger Str. 71, 80638 Munich, Germany, registration number MSM 38032 (holotype), and the Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, CA 90007, USA, catalogue number 76271 (cotype).

Geological Setting of Type Material:

Pegmatite. In altered zwieselite.

Associated Minerals at Type Locality:

Zwieselite	Rockbridgeite	Pyrite	Nordgauite	Fluellite
Columbite-(Fe)-Columbite-(Mn) Series

Synonyms of PleysteiniteHide

IMA2022-077

Relationship of Pleysteinite to other SpeciesHide

Member of:

Paulkerrite Group

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
Rewitzerite	[K(H₂O)]Mn₂Al₃(PO₄)₄(OH)₂ · 14H₂O	Mon. 2/m : P2₁/b

Related Minerals - Strunz-mindat Grouping Hide

8.DG.	Jasonsmithite	Mn²⁺₄ZnAl(PO₄)₄(OH)(H₂O)₇ · 3.5H₂O	Mon. 2/m : P2₁/b
8.DG.	Davidbrownite-(NH4)	(NH₄)₅(V⁴⁺O)₂(C₂O₄)[PO_2.75(OH)_1.25]₄ · 3H₂O	Mon. 2/m : P2₁/b
8.DG.	Relianceite-(K)	K₄Mg(V⁴⁺O)₂(C₂O₄)(PO₃OH)₄(H₂O)₁₀	Mon. m : Pb
8.DG.	Rewitzerite	[K(H₂O)]Mn₂Al₃(PO₄)₄(OH)₂ · 14H₂O	Mon. 2/m : P2₁/b
8.DG.05	Lavendulan	NaCaCu₅(AsO₄)₄Cl · 5H₂O	Mon. 2/m
8.DG.05	Sampleite	NaCaCu₅(PO₄)₄Cl · 5H₂O	Orth. mmm (2/m 2/m 2/m) : Cmmm
8.DG.05	Shubnikovite	Ca₂Cu₈(AsO₄)₆(OH)Cl · 7H₂O	Orth.
8.DG.05	Zdenĕkite	NaPbCu₅(AsO₄)₄Cl · 5H₂O	Mon. 2/m : P2₁/b
8.DG.05	Lemanskiite	NaCaCu₅(AsO₄)₄Cl · 3H₂O	Tet. 4 2 2 : P4₁ 2 2

Other InformationHide

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 PleysteiniteHide

mindat.org URL:

https://www.mindat.org/min-470496.html
Please feel free to link to this page.

Search Engines:

Look for Pleysteinite on Google

Look for Pleysteinite images on Google

Look for Pleysteinite on Bing

Look for Pleysteinite images on Bing

Look for Pleysteinite on DuckDuckGo

Look for Pleysteinite images on DuckDuckGo

Look for Pleysteinite in the Rock H. Currier Digital Library

External Links:

Look for Pleysteinite on Webmineral

Look for Pleysteinite on Wikipedia

Look for Pleysteinite on Mineralien Atlas

Raman and XRD data at RRUFF project

References and PDF downloads at RRUFF project

American Mineralogist Crystal Structure Database

Mineral Dealers:

Fine Minerals from Weinrich Minerals, Inc.

Buy from McDougall Minerals

Blue Gems Australian & International

The Arkenstone - Fine Minerals

High-end worldwide specimens & outstanding customer service

Buy from David K Joyce minerals

Buy rare minerals from Excalibur Minerals

Wilensky Exquisite Minerals

References for PleysteiniteHide

Reference List:

Miyawaki, Ritsuro, Hatert, Frédéric, Pasero, Marco, Mills, Stuart J. (2022) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) – Newsletter 70. European Journal of Mineralogy, 34 (6) 591-601 doi:10.5194/ejm-34-591-2022

Grey, Ian E., Hochleitner, Rupert, Rewitzer, Christian, Kampf, Anthony R., MacRae, Colin M., Gable, Robert W., Mumme, William G., Keck, Erich, Davidson, Cameron (2023) Pleysteinite, [(H₂O)_0.5K_0.5]₂Mn₂Al₃(PO₄)₄F₂(H₂O)₁₀⋅4H₂O, the Al analogue of benyacarite, from the Hagendorf-Süd pegmatite, Oberpfalz, Bavaria, Germany. European Journal of Mineralogy, 35 (2) 189-197 doi:10.5194/ejm-35-189-2023

Localities for PleysteiniteHide

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

- 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.

Germany (TL)

Bavaria

Upper Palatinate

Neustadt an der Waldnaab District

Waidhaus

Hagendorf

ⓘ Hagendorf South Pegmatite (TL)

Miyawaki et al. (2022) +1 other reference

Pleysteinite

About PleysteiniteHide