Ferrotychite
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About Ferrotychite
Formula:
Na6(Fe,Mn,Mg)2(CO3)4(SO4)
Colour:
Gold-brown by a surface film of alteration product. On fresh surfaces, it is colorless to light yellow.
Lustre:
Vitreous
Hardness:
4
Specific Gravity:
2.79
Crystal System:
Isometric
Member of:
Name:
From Greek τυχή, "tyche", luck or chance, because the first and only one of the last ten crystals of a stock of about 5000 crystals of northupite being examined by Penfield and Jamieson were tychite, plus the prefix "FERRO-" from the Latin ferrum = iron, in allusion to the dominance of iron in the composition.
Classification of Ferrotychite
Approved
5/C.03-30
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
17.1.1.2
17 : COMPOUND CARBONATES
1 : Miscellaneous
17 : COMPOUND CARBONATES
1 : Miscellaneous
12.2.5
12 : Carbonates with other anions
2 : Carbonates with sulphate
12 : Carbonates with other anions
2 : Carbonates with sulphate
Physical Properties of Ferrotychite
Vitreous
Colour:
Gold-brown by a surface film of alteration product. On fresh surfaces, it is colorless to light yellow.
Hardness:
4 on Mohs scale
Hardness:
VHN100=228 - Vickers
Fracture:
Conchoidal
Density:
2.79 g/cm3 (Measured) 2.794 g/cm3 (Calculated)
Optical Data of Ferrotychite
Type:
Isotropic
RI values:
n = 1.550
Birefringence:
Isotropic minerals have no birefringence
Surface Relief:
Low
Chemical Properties of Ferrotychite
Formula:
Na6(Fe,Mn,Mg)2(CO3)4(SO4)
IMA Formula:
Na6Fe2+2(CO3)4(SO4)
Common Impurities:
Mn,Mg
Crystallography of Ferrotychite
Crystal System:
Isometric
Class (H-M):
m3 (2/m 3) - Diploidal
Space Group:
Fd3
Setting:
Fd3
Cell Parameters:
a = 13.962 Å
Unit Cell V:
2,721.72 ų (Calculated from Unit Cell)
Z:
8
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0012463 | Ferrotychite | Malinovskii Yu A, Baturin S V, Belov N V (1979) The crystal structure of Fe-tychite Doklady Akademii Nauk SSSR 249 1365-1368 | 1979 | 0 | 293 |
CIF Raw Data - click here to close
Type Occurrence of Ferrotychite
Place of Conservation of Type Material:
Fersman Mineralogical Museum, Acad. Sci. USSR, Moscow, and the Geological Museum, Kola Branch, Acad. Sci. USSR, Apatite.
Associated Minerals at Type Locality:
Reference:
Khomyakov A P, Malinovskii Y A, Sandomirskaya S M (1981) New mineral ferrotychite Na6Fe2(SO4)(CO3)4. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva 110, issue 5, 600-603
Synonyms of Ferrotychite
Other Language Names for Ferrotychite
German:Ferrotychit
Spanish:Ferrotychita
Relationship of Ferrotychite to other Species
Member of:
Other Members of this group:
Manganotychite | Na6Mn2(CO3)4(SO4) | Iso. m3 (2/m 3) : Fd3 |
Northupite | Na3Mg(CO3)2Cl | Iso. m3 (2/m 3) : Fd3 |
Tychite | Na6Mg2(CO3)4(SO4) | Iso. m3 (2/m 3) : Fd3 |
Forms a series with:
Common Associates
Associated Minerals Based on Photo Data:
Related Minerals - Nickel-Strunz Grouping
5.BF.05 | Manganotychite | Na6Mn2(CO3)4(SO4) | Iso. m3 (2/m 3) : Fd3 |
5.BF.05 | Northupite | Na3Mg(CO3)2Cl | Iso. m3 (2/m 3) : Fd3 |
5.BF.05 | Tychite | Na6Mg2(CO3)4(SO4) | Iso. m3 (2/m 3) : Fd3 |
5.BF.10 | Bonshtedtite | Na3Fe2+(CO3)(PO4) | Mon. 2/m : P21/m |
5.BF.10 | Bradleyite | Na3Mg(CO3)(PO4) | Mon. |
5.BF.10 | Crawfordite | Na3Sr(CO3)(PO4) | Mon. |
5.BF.10 | Sidorenkite | Na3Mn2+(CO3)(PO4) | Mon. |
5.BF.15 | Daqingshanite-(Ce) | (Sr,Ca,Ba)3(Ce,La)(CO3)3-x(PO4)(OH,F)2x | Trig. |
5.BF.20 | Reederite-(Y) | (Na,Mn)15Y2(CO3)9(FSO3)Cl | Hex. 6 : P6 |
5.BF.25 | Mineevite-(Y) | Na25Ba(Y,Gd,Dy)2(CO3)11(HCO3)4(SO4)2F2Cl | Hex. 6/m : P63/m |
5.BF.30 | Brianyoungite | Zn3(CO3,SO4)(OH)4 | Mon. 2/m : P21/m |
5.BF.35 | Philolithite | Pb12Mn2+(Mg,Mn2+)2(Mn2+,Mg)4(CO3)4(SO4)O6(OH)12Cl4 | Tet. 4/mmm (4/m 2/m 2/m) |
5.BF.40 | Leadhillite | Pb4(CO3)2(SO4)(OH)2 | Mon. 2/m : P21/b |
5.BF.40 | Macphersonite | Pb4(CO3)2(SO4)(OH)2 | Orth. mmm (2/m 2/m 2/m) |
5.BF.40 | Susannite | Pb4(CO3)2(SO4)(OH)2 | Trig. 3 : P3 |
Related Minerals - Dana Grouping (8th Ed.)
17.1.1.1 | Tychite | Na6Mg2(CO3)4(SO4) | Iso. m3 (2/m 3) : Fd3 |
17.1.1.3 | Manganotychite | Na6Mn2(CO3)4(SO4) | Iso. m3 (2/m 3) : Fd3 |
Related Minerals - Hey's Chemical Index of Minerals Grouping
12.2.1 | Burkeite | Na6(CO3)(SO4)2 | Orth. |
12.2.2 | Hanksite | Na22K(SO4)9(CO3)2Cl | Hex. 6/m : P63/m |
12.2.3 | Tychite | Na6Mg2(CO3)4(SO4) | Iso. m3 (2/m 3) : Fd3 |
12.2.4 | Motukoreaite | Mg6Al3(OH)18[Na(H2O)6][SO4]2 · 6H2O | Trig. 3m (3 2/m) : R3m |
12.2.6 | Nakauriite | Cu8(SO4)4(CO3)(OH)6 · 48H2O | Orth. |
12.2.7 | Carbonatecyanotrichite | Cu4Al2(CO3,SO4)(OH)12 · 2H2O | Orth. |
12.2.8 | Rapidcreekite | Ca2(SO4)(CO3) · 4H2O | Orth. |
12.2.9 | Tatarskite | Ca6Mg2(SO4)2(CO3)2(OH)4Cl4 · 7H2O | Orth. |
12.2.10 | Schulenbergite | (Cu,Zn)7(SO4)2(OH)10 · 3H2O | Trig. |
12.2.11 | Leadhillite | Pb4(CO3)2(SO4)(OH)2 | Mon. 2/m : P21/b |
12.2.12 | Macphersonite | Pb4(CO3)2(SO4)(OH)2 | Orth. mmm (2/m 2/m 2/m) |
12.2.13 | Susannite | Pb4(CO3)2(SO4)(OH)2 | Trig. 3 : P3 |
12.2.14 | Wherryite | Pb7Cu2(SO4)4(SiO4)2(OH)2 | Mon. 2/m : B2/m |
12.2.15 | Caledonite | Pb5Cu2(SO4)3(CO3)(OH)6 | Orth. mm2 : Pmn21 |
12.2.16 | Nasledovite | PbMn3Al4(CO3)4(SO4)O5 · 5H2O | |
12.2.17 | Jouravskite | Ca3Mn4+(SO4)(CO3)(OH)6 · 12H2O | Hex. 6 : P63 |
12.2.18 | Schröckingerite | NaCa3(UO2)(CO3)3(SO4)F · 10H2O | Tric. 1 : P1 |
12.2.19 | Manganotychite | Na6Mn2(CO3)4(SO4) | Iso. m3 (2/m 3) : Fd3 |
12.2.20 | Hauckite | Fe3+3(Mg,Mn2+)24Zn18(SO4)4(CO3)2(OH)81 | Hex. 6/mmm (6/m 2/m 2/m) : P6/mmm |
12.2.21 | Paraotwayite | Ni(OH)2-x(SO4,CO3)0.5x | Mon. |
12.2.22 | Carrboydite | (Ni1-xAlx)(SO4)x/2(OH)2 · nH2O | Hex. |
12.2.23 | Mountkeithite | [(Mg1-xFe3+x)(OH)2][SO4]x/2 · nH2O | Hex. |
12.2.24 | Camérolaite | Cu6Al3(OH)18(H2O)2[Sb(OH)6](SO4) | Tric. 1 : P1 |
Other Information
Notes:
The mineral is readily decomposed by cold water with the formation of a fibrous brown material that is amorphous to X-rays. Strongly magnetic
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
References for Ferrotychite
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Khomyakov, A. P., Malinovskii, Yu. A. & Sandomirskaya, S. M. (1981): New mineral ferrotychite Na6Fe2(SO4)(CO3)4. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva: 110: 600-603.
Fleischer M, Burns R G, Cabri L J, Francis C A, Pabst A (1982) New mineral names. American Mineralogist 67, 413-418
Fleischer M, Cabri L J, Chao G Y, Mandarino J A, Pabst A (1982) New mineral names. American Mineralogist 67, 621-624
Malinovskii Y A, Baturin S V, Belov N V (1979) The crystal structure of the Fe-tychite. Doklady Akademii Nauk SSSR 249, 1365-1368
Internet Links for Ferrotychite
mindat.org URL:
https://www.mindat.org/min-1533.html
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External Links:
Mineral Dealers:
Localities for Ferrotychite
Locality List




All localities listed without proper references should be considered as questionable.
Angola | |
| Castellano Calvo A, Melgarejo Draper J C, Kamenetsky V, Kamenetsky M (2014) Natrocarbonatite composition of melt inclusions from Bailundo and Longonjo carbonatites (Angola). 21 st meeting of the International Mineralogical Association. p 249 |
Russia (TL) | |
| ZVMO,(1981) 110, 600-603; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow |
Olenii Ruchei, The Carbonatite Stock in the vicinity of Tul'ilukht Bay, Khibiny Massif, Murmansk Oblast, Russia