Lagalyite
A valid IMA mineral species
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About Lagalyite
Gerhard Lagaly
Formula:
Ca2xMn1-xO2 · 1.5-2H2O
x = 0.05–0.08
Crystal System:
Monoclinic
Name:
Named in honor of Gerhard Lagaly (b. 14 October 1938, Ludwigshafen am Rhein, Rheinland-Pfalz, Germany), professor of Inorganic Chemistry at the University of Kiel, Germany. He is a specialist in clay chemistry and developed the Alkylammonium Method for the determination of layer charge in layered aluminosilicates.
Unique Identifiers
Mindat ID:
51579
Long-form identifier:
mindat:1:1:51579:3
GUID
(UUID V4):
(UUID V4):
44cc1d1c-8bc1-4ada-b120-476107af78b0
IMA Classification of Lagalyite
Approved, Pending publication
IMA Formula:
Ca2xMn1-xO2 · 1.5-2H2O (x = 0.05-0.08)
Approval year:
2016
Classification of Lagalyite
4.FL.90
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
F : Hydroxides (without V or U)
L : Hydroxides with H2O +- (OH); sheets of edge-sharing octahedra
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
F : Hydroxides (without V or U)
L : Hydroxides with H2O +- (OH); sheets of edge-sharing octahedra
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 |
|---|---|---|
| Lag | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Chemistry of Lagalyite
Mindat Formula:
Ca2xMn1-xO2 · 1.5-2H2O
x = 0.05–0.08
x = 0.05–0.08
Elements listed:
Crystallography of Lagalyite
Crystal System:
Monoclinic
Cell Parameters:
a = 5.146(9) Å, b = 2.81(1) Å, c = 9.98(2) Å
β = 94.2(2)°
β = 94.2(2)°
Ratio:
a:b:c = 1.831 : 1 : 3.552
Unit Cell V:
143.93 ų (Calculated from Unit Cell)
Comment:
Space group unknown (possibly C2).
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 9.94 Å | (100) |
| 4.975 Å | (57) |
| 3.320 Å | (20) |
| 2.476 Å | (4) |
| 2.360 Å | (2) |
| 1.468 Å | (3) |
| 1.454 Å | (3) |
| 1.420 Å | (3) |
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] | |
| 47e : [Vanadates, chromates, manganates] |
Type Occurrence of Lagalyite
Co-Type Localities:
Place of Conservation of Type Material:
Type material is deposited in the mineralogical collections of the Bergakademie Freiberg, Germany, catalogue No. 84104 (Christbescherung Mine, Großvoigtsberg) and No. 84105 (Aufgeklärt Glück Mine, Hasserode)
Synonyms of Lagalyite
Related Minerals - Strunz-mindat Grouping
| 4.FL. | Trébeurdenite | Fe2+2Fe3+4O2(OH)10CO3 · 3H2O |
| 4.FL. | Mariakrite | [Ca4Al2(OH)12(H2O)4][Fe2S4] |
| 4.FL.05 | Woodallite | Mg6Cr2(OH)16Cl2 · 4H2O |
| 4.FL.05 | Iowaite | Mg6Fe3+2(OH)16Cl2 · 4H2O |
| 4.FL.05 | Jamborite | Ni2+1-xCo3+x(OH)2-x(SO4)x · nH2O |
| 4.FL.05 | Meixnerite | Mg6Al2(OH)16(OH)2 · 4H2O |
| 4.FL.05 | Muskoxite | Mg7Fe4O13 · 10H2O |
| 4.FL.05 | Fougèrite | Fe2+4Fe3+2(OH)12[CO3] · 3H2O |
| 4.FL.05 | Mössbauerite | Fe3+6O4(OH)8[CO3] · 3H2O |
| 4.FL.05 | Dritsite | Li2Al4(OH)12Cl2 · 3H2O |
| 4.FL.10 | Hydrocalumite | Ca4Al2(OH)12(Cl,CO3,OH)2 · 4H2O |
| 4.FL.15 | Kuzelite | Ca4Al2(OH)12[SO4] · 6H2O |
| 4.FL.20 | Aurorite | Mn2+Mn4+3O7 · 3H2O |
| 4.FL.20 | Chalcophanite | ZnMn4+3O7 · 3H2O |
| 4.FL.20 | Ernienickelite | NiMn3O7 · 3H2O |
| 4.FL.20 | Jianshuiite | (Mg,Mn,Ca)Mn3O7 · 3H2O |
| 4.FL.25 | Woodruffite | Zn2+x/2(Mn4+1-xMn3+x)O2 · yH2O |
| 4.FL.30 | Asbolane | (Ni,Co)2-xMn4+(O,OH)4 · nH2O |
| 4.FL.30 va | Lampadite | Cu, Mn, O, H |
| 4.FL.35 | Buserite | Na4Mn14O27 · 21H2O |
| 4.FL.40 | Ranciéite | (Ca,Mn2+)0.2(Mn4+,Mn3+)O2 · 0.6H2O |
| 4.FL.40 | Takanelite | (Mn,Ca)Mn4O9 · H2O |
| 4.FL.45 | Birnessite | (Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O |
| 4.FL.55 | Cianciulliite | Mn(Mg,Mn)2Zn2(OH)10 · 2-4H2O |
| 4.FL.60 | Jensenite | Cu3[TeO6] · 2H2O |
| 4.FL.65 | Leisingite | Cu2MgTe6+O6 · 6H2O |
| 4.FL.70 | Akdalaite | Al10O14(OH)2 |
| 4.FL.75 | Cafetite | CaTi2O5 · H2O |
| 4.FL.80 | Mourite | UMo5O12(OH)10 |
| 4.FL.85 | Deloryite | Cu4(UO2)(MoO4)2(OH)6 |
| 4.FL.95 | Tunnerite (of Cornu) | |
| 4.FL.100 | Carbocalumite | Ca4Al2(OH)12(CO3) · 6H2O |
| 4.FL.100 | Mampsisite | Ca4Al2(CO3)(OH)12 · 5H2O |
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 Lagalyite
mindat.org URL:
https://www.mindat.org/min-51579.html
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References for Lagalyite
Reference List:
Localities for Lagalyite
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 (TL) | |
| Mineralogical Magazine: 81: 403–409. +1 other reference |
| Mineralogical Magazine: 81: 403–409. +1 other reference |
Italy | |
| Batacchi et al. (2023) |
Switzerland | |
| Graeser et al. (2010) |
| Andermatt (2005) +1 other reference |
| Ansermet et al. (2021) |
Christbescherung Mine, Großvoigtsberg, Großschirma, Mittelsachsen, Saxony, Germany