Tosudite
A valid IMA mineral species - grandfathered
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About Tosudite
Formula:
Na0.5(Al,Mg)6((Si,Al)8O18)(OH)12 · 5H2O
Colour:
White, light yellow, light green, deep blue to azure
Lustre:
Waxy, Dull
Hardness:
1 - 2
Specific Gravity:
2.83
Crystal System:
Monoclinic
Member of:
Name:
Named by V.A. Frank-Kamenetskii, N.V. Logvinenko, and V.A. Drits in 1963 in honor of Toshio Sudo (1911-2000), professor of mineralogy, University of Tokyo, Japan. He was an expert in clay mineralogy, especially in the alteration processes by which clay minerals are formed.
Aliettite-Corrensite Group
A 1:1 regular interstratification of a chlorite group mineral and a smectite group mineral.
A 1:1 regular interstratification of a chlorite group mineral and a smectite group mineral.
Unique Identifiers
Mindat ID:
4001
Long-form identifier:
mindat:1:1:4001:9
GUID
(UUID V4):
(UUID V4):
cb5a5aee-0445-4f45-93fe-94ff8765a578
IMA Classification of Tosudite
Approved, 'Grandfathered' (first described prior to 1959)
IMA Formula:
Na0.5(Al,Mg)6(Si,Al)8O18(OH)12 · 5H2O
First published:
1963
Classification of Tosudite
9.EC.60
9 : SILICATES (Germanates)
E : Phyllosilicates
C : Phyllosilicates with mica sheets, composed of tetrahedral and octahedral nets
9 : SILICATES (Germanates)
E : Phyllosilicates
C : Phyllosilicates with mica sheets, composed of tetrahedral and octahedral nets
71.4.2.4
71 : PHYLLOSILICATES Sheets of Six-Membered Rings
4 : Sheets of 6-membered rings interlayered 1:1, 2:1, and octahedra
71 : PHYLLOSILICATES Sheets of Six-Membered Rings
4 : Sheets of 6-membered rings interlayered 1:1, 2:1, and octahedra
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
Symbol | Source | Reference |
---|---|---|
Tos | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Tos | Warr (2020) | Warr, L.N. (2020) Recommended abbreviations for the names of clay minerals and associated phases. Clay Minerals, 55, 261–264 doi:10.1180/clm.2020.30 |
Physical Properties of Tosudite
Waxy, Dull
Transparency:
Translucent
Colour:
White, light yellow, light green, deep blue to azure
Hardness:
1 - 2 on Mohs scale
Cleavage:
Perfect
{001}
{001}
Density:
2.83 g/cm3 (Measured)
Optical Data of Tosudite
Type:
Biaxial (-)
RI values:
nα = 1.542 - 1.564 nβ = 1.570 nγ = 1.548 - 1.574
2V:
Measured: 59°
Max Birefringence:
δ = 0.006 - 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:
Low
Dispersion:
none
Chemistry of Tosudite
Mindat Formula:
Na0.5(Al,Mg)6((Si,Al)8O18)(OH)12 · 5H2O
Common Impurities:
Fe,Mg,Ca,Li
Crystallography of Tosudite
Crystal System:
Monoclinic
Class (H-M):
2 - Sphenoidal
Space Group:
B2
Cell Parameters:
a = 5.17 Å, b = 8.97 Å, c = 24.2 Å
β = 94°
β = 94°
Ratio:
a:b:c = 0.576 : 1 : 2.698
Unit Cell V:
1,119.54 ų (Calculated from Unit Cell)
Morphology:
Microscopically crystalline
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
30.4 Å | (100) |
15.2 Å | (75) |
4.480 Å | (30) |
5.006 Å | (20) |
2.562 Å | (12) |
1.493 Å | (12) |
3.30 Å | (8) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 3b: Earth’s earliest hydrosphere | >4.45 |
16 : Low-𝑇 aqueous alteration of Hadean subaerial lithologies (see also #23) |
Type Occurrence of Tosudite
General Appearance of Type Material:
Clay mineral.
Place of Conservation of Type Material:
Fersman MIneralogical Museum, Moscow, Russia, number 13545.
Other Language Names for Tosudite
Varieties of Tosudite
Aluminum Tosudite | A clay mineral with a 1:1 regular interstratification of the dioctahedral Al chlorite donbassite and smectite. |
Alushtite | A clay mineral with a 1:1 regular interstratification of di-trioctahedral Li-Mg chlorite of the Cookeite-Sudoite series (with cookeite:sudoite ratio close to 1:1) and dioctahedral smectite. Originally described in 1914 from Kuru-Uzen' village (now Solnec... |
Lithium Tosudite | A clay mineral with a 1:1 regular interstratification of the trioctahedral Li chlorite cookeite and dioctahedral smectite. |
Magnesium Tosudite | A clay mineral with a 1:1 regular interstratification of trioctahedral Mg chlorite Sudoite and dioctahedral Smectite. |
Relationship of Tosudite to other Species
Member of:
Other Members of this group:
Aliettite | Ca0.2Mg6((Si,Al)8O20)(OH)4 · 4H2O | Mon. |
Corrensite | (Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O | Orth. |
Glaucony | The term glaucony was defined first by Odin and Létolle (1980) for green minerals in marine sediments formed by ... | |
Rectorite | (Na,Ca)Al4((Si,Al)8O20)(OH)4 · 2H2O | Mon. |
Common Associates
Associated Minerals Based on Photo Data:
3 photos of Tosudite associated with Manganese Oxides |
Related Minerals - Strunz-mindat Grouping
9.EC. | Balestraite | KLi2V5+Si4O12 |
9.EC. | Meifuite | KFe6(Si7Al)O19(OH)4Cl2 |
9.EC.05 | Minnesotaite | Fe2+3Si4O10(OH)2 |
9.EC.05 | Talc | Mg3Si4O10(OH)2 |
9.EC.05 | Willemseite | Ni3Si4O10(OH)2 |
9.EC.9.EC. | Voloshinite | Rb(LiAl1.5◻0.5)(Al0.5Si3.5)O10F2 |
9.EC.10 | Ferripyrophyllite | Fe3+Si2O5(OH) |
9.EC.10 | Pyrophyllite | Al2Si4O10(OH)2 |
9.EC.10 | Luanshiweiite | KLiAl1.5(Si3.5Al0.5)O10(OH)2 |
9.EC.10 | Fluorluanshiweiite | KLiAl1.5(Si3.5Al0.5)O10F2 |
9.EC.10 | Manganiceladonite | K(MgMn3+◻)(Si4O10)(OH)2 |
9.EC.10 | Garmite | CsLiMg2(Si4O10)F2 |
9.EC.10 | Gorbunovite | CsLi2(Ti,Fe)Si4O10(F,OH,O)2 |
9.EC.15 | Boromuscovite | KAl2(BSi3O10)(OH)2 |
9.EC.15 | Celadonite | K(MgFe3+◻)(Si4O10)(OH)2 |
9.EC.15 | Chernykhite | (Ba,Na)(V3+,Al,Mg)2((Si,Al)4O10)(OH)2 |
9.EC.15 | Montdorite | (K,Na)2(Fe2+,Mn2+,Mg)5(Si4O10)2(OH,F)4 |
9.EC.15 | Muscovite | KAl2(AlSi3O10)(OH)2 |
9.EC.15 | Nanpingite | CsAl2(AlSi3O10)(OH,F)2 |
9.EC.15 | Paragonite | NaAl2(AlSi3O10)(OH)2 |
9.EC.15 | Roscoelite | K(V3+,Al)2(AlSi3O10)(OH)2 |
9.EC.15 | Tobelite | (NH4,K)Al2(AlSi3O10)(OH)2 |
9.EC.15 | Aluminoceladonite | K(MgAl◻)(Si4O10)(OH)2 |
9.EC.15 | Chromphyllite | K(Cr,Al)2(AlSi3O10)(OH,F)2 |
9.EC.15 | Ferroaluminoceladonite | K(Fe2+Al◻)(Si4O10)(OH)2 |
9.EC.15 | Ferroceladonite | K(Fe2+Fe3+◻)(Si4O10)(OH)2 |
9.EC.15 | Chromceladonite | K(MgCr◻)(Si4O10)(OH)2 |
9.EC.15 | Tainiolite | KLiMg2(Si4O10)F2 |
9.EC.15 | Ganterite | (Ba,Na,K)(Al,Mg)2(AlSi3O10)(OH)2 |
9.EC.15 | UM1988-22-SiO:AlCaFFeHKLiMg | KLiMgAl2Si3O10F2 |
9.EC.15 | Kreiterite | CsLi2Fe3+(Si4O10)F2 |
9.EC.20 | Annite | KFe2+3(AlSi3O10)(OH)2 |
9.EC.20 | Ephesite | NaLiAl2(Al2Si2O10)(OH)2 |
9.EC.20 | Hendricksite | KZn3(Si3Al)O10(OH)2 |
9.EC.20 | Masutomilite | (K,Rb)(Li,Mn3+,Al)3(AlSi3O10)(F,OH)2 |
9.EC.20 | Norrishite | KLiMn3+2(Si4O10)O2 |
9.EC.20 | Phlogopite | KMg3(AlSi3O10)(OH)2 |
9.EC.20 | Polylithionite | KLi2Al(Si4O10)(F,OH)2 |
9.EC.20 | Preiswerkite | NaMg2Al(Al2Si2O10)(OH)2 |
9.EC.20 | Siderophyllite | KFe2+2Al(Al2Si2O10)(OH)2 |
9.EC.20 | Tetraferriphlogopite | KMg3(Fe3+Si3O10)(OH,F)2 |
9.EC.20 | Fluorotetraferriphlogopite | KMg3(Fe3+Si3O10)F2 |
9.EC.20 | Wonesite | (Na,K)(Mg,Fe,Al)6((Al,Si)4O10)2(OH,F)4 |
9.EC.20 | Eastonite | KMg2Al(Al2Si2O10)(OH)2 |
9.EC.20 | Tetraferriannite | KFe2+3(Si3Fe3+)O10(OH)2 |
9.EC.20 | Trilithionite | K(Li1.5Al1.5)(AlSi3O10)(F,OH)2 |
9.EC.20 | Fluorannite | KFe2+3(Si3Al)O10F2 |
9.EC.20 | Shirokshinite | K(NaMg2)(Si4O10)F2 |
9.EC.20 | Shirozulite | KMn2+3(Si3Al)O10(OH)2 |
9.EC.20 | Sokolovaite | CsLi2Al(Si4O10)F2 |
9.EC.20 | Aspidolite | NaMg3(AlSi3O10)(OH)2 |
9.EC.20 | Fluorophlogopite | KMg3(Si3Al)O10F2 |
9.EC.20 | UM2004-49-SiO:AlCsFHKLi | (Cs,K)(Al,Li)2.6((Si,Al)4O10)(F,OH)2 |
9.EC.20 | Suhailite | (NH4)Fe2+3(AlSi3O10)(OH)2 |
9.EC.20 | Yangzhumingite | KMg2.5(Si4O10)F2 |
9.EC.20 | Orlovite | KLi2Ti(Si4O10)OF |
9.EC.20 | Oxyphlogopite | K(Mg,Ti,Fe)3[(Si,Al)4O10](O,F)2 |
9.EC.20 | Chloroferrokinoshitalite | (Ba,K)(Fe2+,Mg)3(Al2Si2O10)(Cl,OH,F)2 |
9.EC.22 | Pimelite | Ni3Si4O10(OH)2 · 4H2O |
9.EC.30 | Chlorophaeite | (Ca,Mg,Fe)2Fe2Si4O13 · 10H2O |
9.EC.30 | Margarite | CaAl2(Al2Si2O10)(OH)2 |
9.EC.35 | Anandite | (Ba,K)(Fe2+,Mg)3((Si,Al,Fe)4O10)(S,OH)2 |
9.EC.35 | Bityite | CaLiAl2(AlBeSi2O10)(OH)2 |
9.EC.35 | Clintonite | CaAlMg2(SiAl3O10)(OH)2 |
9.EC.35 | Kinoshitalite | (Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2 |
9.EC.35 | Ferrokinoshitalite | (Ba,K)(Fe2+,Mg)3(Al2Si2O10)(OH,F)2 |
9.EC.35 | Oxykinoshitalite | (Ba,K)(Mg,Ti,Fe3+,Fe2+)3((Si,Al)4O10)(O,OH,F)2 |
9.EC.35 | Fluorokinoshitalite | BaMg3(Al2Si2O10)F2 |
9.EC.40 | Beidellite | (Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O |
9.EC.40 | Kurumsakite | (Zn,Ni,Cu)8Al8V5+2Si5O35 · 27H2O (?) |
9.EC.40 | Montmorillonite | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
9.EC.40 | Nontronite | Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O |
9.EC.40 | Volkonskoite | Ca0.3(Cr,Mg,Fe)2((Si,Al)4O10)(OH)2 · 4H2O |
9.EC.40 | Yakhontovite | (Ca,Na)0.5(Cu,Fe,Mg)2(Si4O10)(OH)2 · 3H2O |
9.EC.45 | Hectorite | Na0.3(Mg,Li)3(Si4O10)(F,OH)2 |
9.EC.45 | Saponite | Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O |
9.EC.45 | Sauconite | Na0.3Zn3((Si,Al)4O10)(OH)2 · 4H2O |
9.EC.45 | Spadaite | MgSiO2(OH)2 · H2O (?) |
9.EC.45 | Stevensite | (Ca,Na)xMg3-x(Si4O10)(OH)2 |
9.EC.45 | Swinefordite | Li(Al,Li,Mg)3((Si,Al)4O10)2(OH,F)4 · nH2O |
9.EC.45 | Zincsilite | Zn3Si4O10(OH)2 · 4H2O (?) |
9.EC.45 | Ferrosaponite | Ca0.3(Fe2+,Mg,Fe3+)3((Si,Al)4O10)(OH)2 · 4H2O |
9.EC.45 | Hanjiangite | Ba2CaV3+Al(H2AlSi3O12)(CO3)2F |
9.EC.50 | Vermiculite | Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O |
9.EC.52 | Tarasovite | near NaKAl11Si13O40(OH)9 · 3H2O |
9.EC.55 | Baileychlore | (Zn,Fe2+,Al,Mg)6(Si,Al)4O10(OH)8 |
9.EC.55 | Chamosite | (Fe2+)5Al(Si,Al)4O10(OH,O)8 |
9.EC.55 | Clinochlore | Mg5Al(AlSi3O10)(OH)8 |
9.EC.55 | Cookeite | (LiAl4◻)[AlSi3O10](OH)8 |
9.EC.55 | Franklinfurnaceite | Ca2Fe3+Mn2+3Mn3+(Zn2Si2O10)(OH)8 |
9.EC.55 | Gonyerite | (Mn2+,Mg)5Fe3+(Fe3+Si3O10)(OH)8 |
9.EC.55 | Nimite | (Ni,Mg,Al)6((Si,Al)4O10)(OH)8 |
9.EC.55 | Orthochamosite | (Fe2+,Mg,Fe3+)5Al(AlSi3O10)(OH,O)8 |
9.EC.55 | Pennantite | Mn2+5Al(AlSi3O10)(OH)8 |
9.EC.55 | Sudoite | Mg2Al3(Si3Al)O10)(OH)8 |
9.EC.55 | Donbassite | Al4.33(Si3Al)O10(OH)8 |
9.EC.55 | Glagolevite | Na(Mg,Al)6(AlSi3O10)(OH,O)8 |
9.EC.55 | Borocookeite | (LiAl4◻)[BSi3O10](OH)8 |
9.EC.60 | Aliettite | Ca0.2Mg6((Si,Al)8O20)(OH)4 · 4H2O |
9.EC.60 | Corrensite | (Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O |
9.EC.60 | Dozyite | Mg7Al2(Al2Si4O15)(OH)12 |
9.EC.60 | Hydrobiotite | K(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O |
9.EC.60 | Karpinskite | (Ni,Mg)2Si2O5(OH)2 (?) |
9.EC.60 | Kulkeite | Mg8Al(AlSi7O20)(OH)10 |
9.EC.60 | Lunijianlaite | Li0.7Al6.2(AlSi7O20)(OH,O)10 |
9.EC.60 | Rectorite | (Na,Ca)Al4((Si,Al)8O20)(OH)4 · 2H2O |
9.EC.60 | Saliotite | (Li,Na)Al3(AlSi3O10)(OH)5 |
9.EC.60 | Brinrobertsite | Na0.3Al4(Si4O10)2(OH)4 · 3.5 H2O |
9.EC.65 | Macaulayite | (Fe,Al)24Si4O43(OH)2 |
9.EC.70 | Burckhardtite | Pb2(Fe3+Te6+)[AlSi3O8]O6 |
9.EC.75 | Ferrisurite | (Pb,Ca)2.4Fe3+2(Si4O10)(CO3)1.7(OH)3 · nH2O |
9.EC.75 | Surite | (Pb,Ca)3(Al,Fe2+,Mg)2((Si,Al)4O10)(CO3)2(OH)2 |
9.EC.75 | Niksergievite | (Ba,Ca)2Al3(AlSi3O10)(CO3)(OH)6 · nH2O |
9.EC.80 | Kegelite | Pb8Al4(Si8O20)(SO4)2(CO3)4(OH)8 |
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 Tosudite
mindat.org URL:
https://www.mindat.org/min-4001.html
Please feel free to link to this page.
Please feel free to link to this page.
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Mineral Dealers:
References for Tosudite
Reference List:
Localities for Tosudite
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.
Belgium | |
| Mélon et al. (1976) |
[var: Alushtite] Brown G. et al. (1974) | |
Bosnia and Herzegovina | |
| ... |
France | |
| Merceron T. et al. (1988) |
| Econ Geol (1994) |
Germany | |
| Starke R. et al. (1984) |
India | |
| A.G. Dessai |
Indonesia | |
| Al Hakim et al. (2017) |
Italy | |
| Ciriotti et al. (2006) |
Japan | |
| Kimbara K. (1974) |
| Sudo T. (1957) |
| Shimoda S. (1969) +1 other reference |
| Ichikawa A. (1976) |
| 米田哲朗. (1989) |
| Gaines et al. (1997) |
| Kawano et al. (1991) |
| Imai et al. (1972) +1 other reference |
Mexico | |
| Anisimov et al. (2001) |
Mozambique | |
| Gomes Figueiredo C.S. (1967) |
New Zealand | |
| Singh (2015) |
Niger | |
| Billon et al. (2016) |
Russia | |
| Nikolaev et al. (2013) |
| Fin'ko V.I. et al. (1977) |
Kol'tsov A.B. e.a. (1988) | |
South Korea | |
Cho et al. (1994) | |
Spain | |
| M.D. Ruiz Cruz (Betic Cordilleras, Spain) |
UK | |
| Diederik Visser List #39 |
Ukraine | |
| [var: Alushtite] Dvoichenko P.A. (1914) |
Alexander I. Tischenko (1996) | |
[var: Alushtite] Kartashov P.M. (1989) | |
[var: Alushtite] Pekov (1998) | |
| [var: Alushtite] Kartashov P.M. (1989) |
| [var: Alushtite] Geologiya SSSR (The geology of USSR) |
| Kovalenko A.P. (1976) |
USA | |
| Gaines et al. (1997) |
| Gaines et al. (1997) |
| King et al. (1994) +1 other reference |
| King (n.d.) |
| Pavel.M. Kartashov (n.d.) |
Castor et al. (2004) |
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Takatama mine, Koriyama City, Fukushima Prefecture, Japan