Manganotychite
A valid IMA mineral species
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About Manganotychite
Formula:
Na6Mn2(CO3)4(SO4)
Colour:
Pale pink
Lustre:
Vitreous
Hardness:
4
Specific Gravity:
2.70
Crystal System:
Isometric
Member of:
Name:
Named in 1990 by Alexander Petrovich Khomyakov, Aleksander Yur'evich Bakhchisaraitsev, and A. V. Martynova as the manganese analogue of tychite and ferrotychite.
Unique Identifiers
Mindat ID:
2529
Long-form identifier:
mindat:1:1:2529:0
IMA Classification of Manganotychite
Approved
IMA Formula:
Na6Mn2+2(CO3)4(S6+O4)
Approval year:
1989
First published:
1990
Classification of Manganotychite
5.BF.05
5 : CARBONATES (NITRATES)
B : Carbonates with additional anions, without H2O
F : With (Cl), SO4, PO4, TeO3
5 : CARBONATES (NITRATES)
B : Carbonates with additional anions, without H2O
F : With (Cl), SO4, PO4, TeO3
17.1.1.3
17 : COMPOUND CARBONATES
1 : Miscellaneous
17 : COMPOUND CARBONATES
1 : Miscellaneous
12.2.19
12 : Carbonates with other anions
2 : Carbonates with sulphate
12 : Carbonates with other anions
2 : Carbonates with sulphate
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 for Standard |
|---|---|---|
| Mtyc | 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 Manganotychite
Vitreous
Transparency:
Transparent
Colour:
Pale pink
Comment:
On fresh surfaces
Hardness:
4 on Mohs scale
Fracture:
Conchoidal
Density:
2.70(5) g/cm3 (Measured) 2.79 g/cm3 (Calculated)
Optical Data of Manganotychite
Type:
Isotropic
RI values:
n = 1.544(2)
Surface Relief:
Low
Chemistry of Manganotychite
Mindat Formula:
Na6Mn2(CO3)4(SO4)
Element Weights:
Crystallography of Manganotychite
Crystal System:
Isometric
Class (H-M):
m3(2/m3) - Diploidal
Space Group:
Fd3
Setting:
Fd3
Cell Parameters:
a = 14.0015(3) Å
Unit Cell V:
2,744.88 ų (Calculated from Unit Cell)
Z:
8
Comment:
Fd3
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 2.695 Å | (100) |
| 4.22 Å | (76) |
| 2.474 Å | (70) |
| 1.959 Å | (28) |
| 1.616 Å | (28) |
| 2.366 Å | (27) |
| 1.605 Å | (25) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 4b: Highly evolved igneous rocks | >3.0 |
| 35 : Ultra-alkali and agpaitic igneous rocks |
Type Occurrence of Manganotychite
General Appearance of Type Material:
Irregular grains up to 1 cm across and in massive aggregates up to 5 cm.
Place of Conservation of Type Material:
Mining Institute, St. Petersburg, 2023/1; Geology Museum, Kola Branch, Academy of Sciences, Apatity; A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, p545/2.
Geological Setting of Type Material:
Core of hyperalkalic pegmatitic veins.
Associated Minerals at Type Locality:
Synonyms of Manganotychite
Other Language Names for Manganotychite
Relationship of Manganotychite to other Species
Member of:
Other Members of Northupite Group:
| Ferrotychite | Na6(Fe,Mn,Mg)2(CO3)4(SO4) | Iso. m3(2/m3) : Fd3 |
| Northupite | Na3Mg(CO3)2Cl | Iso. m3(2/m3) : Fd3 |
| Tychite | Na6Mg2(CO3)4(SO4) | Iso. m3(2/m3) : Fd3 |
Common Associates
Associations Based on Photo Data:
| 4 photos of Manganotychite associated with Aegirine | NaFe3+Si2O6 |
| 2 photos of Manganotychite associated with K Feldspar |
Related Minerals - Strunz-mindat Grouping
| 5.BF.05 | Northupite | Na3Mg(CO3)2Cl |
| 5.BF.05 | Tychite | Na6Mg2(CO3)4(SO4) |
| 5.BF.05 | Ferrotychite | Na6(Fe,Mn,Mg)2(CO3)4(SO4) |
| 5.BF.10 | Sidorenkite | Na3Mn2+(CO3)(PO4) |
| 5.BF.10 | Crawfordite | Na3Sr(CO3)(PO4) |
| 5.BF.10 | Bonshtedtite | Na3Fe2+(CO3)(PO4) |
| 5.BF.10 | Bradleyite | Na3Mg(CO3)(PO4) |
| 5.BF.15 | Daqingshanite-(Ce) | (Sr,Ca,Ba)3(Ce,La)(CO3)3-x(PO4)(OH,F)2x |
| 5.BF.20 | Reederite-(Y) | (Na,Mn)15Y2(CO3)9(FSO3)Cl |
| 5.BF.25 | Mineevite-(Y) | Na25Ba(Y,Gd,Dy)2(CO3)11(HCO3)4(SO4)2F2Cl |
| 5.BF.30 | Brianyoungite | Zn3(CO3,SO4)(OH)4 |
| 5.BF.35 | Philolithite | Pb12Mn2+(Mg,Mn2+)2(Mn2+,Mg)4(CO3)4(SO4)O6(OH)12Cl4 |
| 5.BF.40 | Leadhillite | Pb4(CO3)2(SO4)(OH)2 |
| 5.BF.40 | Macphersonite | Pb4(CO3)2(SO4)(OH)2 |
| 5.BF.40 | Susannite | Pb4(CO3)2(SO4)(OH)2 |
| 5.BF.45 | Peatite-(Y) | Li4Na12Y12(PO4)12(CO3)4(F,OH)8 |
| 5.BF.50 | Ramikite-(Y) | Li4(Na,Ca)12Y6Zr6(PO4)12(CO3)4O4[(OH),F]4 |
Other Information
Notes:
Weakly magnetic; slightly soluble in H2O, forming a brown coating.
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 Manganotychite
mindat.org URL:
https://www.mindat.org/min-2529.html
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References for Manganotychite
Reference List:
Localities for Manganotychite
Showing 2 localities.
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.
Canada | |
| HORVÁTH et al. (2000) +1 other reference |
Russia (TL) | |
| A.P. Khomyakov et al.: ZVMO 119 (5) +2 other references |
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Alluaiv Mountain, Lovozersky District, Murmansk Oblast, Russia