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Tychite

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About TychiteHide

Formula:
Na6Mg2(CO3)4(SO4)
Colour:
Colourless, white; colourless in transmitted light
Lustre:
Vitreous
Hardness:
Specific Gravity:
2.456
Crystal System:
Isometric
Name:
From Greek τυχή, "tyche", luck or chance, because the first and only one of the last 10 crystals of a stock of about 5,000 crystals of Northupite being examined by Penfield and Jamieson turned out to be Tychite.
Isostructural with:
Northupite Group. Ferrotychite-Tychite Series.
magnesium analogue of Ferrotychite and Manganotychite.

A complete series between Tychite and Northupite exists in artificial material.


Classification of TychiteHide

Approved, 'Grandfathered' (first described prior to 1959)
5.BF.05

5 : CARBONATES (NITRATES)
B : Carbonates with additional anions, without H2O
F : With (Cl), SO4, PO4, TeO3
17.1.1.1

17 : COMPOUND CARBONATES
1 : Miscellaneous
12.2.3

12 : Carbonates with other anions
2 : Carbonates with sulphate

Physical Properties of TychiteHide

Vitreous
Transparency:
Transparent
Colour:
Colourless, white; colourless in transmitted light
Hardness:
3½ on Mohs scale
Tenacity:
Brittle
Fracture:
Conchoidal
Density:
2.456 g/cm3 (Measured)    2.59 g/cm3 (Calculated)

Optical Data of TychiteHide

Type:
Isotropic

Chemical Properties of TychiteHide

Formula:
Na6Mg2(CO3)4(SO4)

Crystallography of TychiteHide

Crystal System:
Isometric
Class (H-M):
m3 (2/m 3) - Diploidal
Space Group:
Fd3
Cell Parameters:
a = 13.9038 Å
Unit Cell V:
2687.82 ų
Z:
8
Morphology:
Octahedral crystals.

Type Occurrence of TychiteHide

Geological Setting of Type Material:
Lacustrine sedimentary clay bed.
Associated Minerals at Type Locality:

Other Language Names for TychiteHide

German:Tychit
Russian:Тихит
Simplified Chinese:杂芒硝
Spanish:Tychita
Traditional Chinese:雜芒硝

Relationship of Tychite to other SpeciesHide

Other Members of this group:
FerrotychiteNa6(Fe,Mn,Mg)2(CO3)4(SO4)
ManganotychiteNa6Mn2(CO3)4(SO4)
NorthupiteNa3Mg(CO3)2ClIso. m3 (2/m 3) : Fd3
Forms a series with:

Related Minerals - Nickel-Strunz GroupingHide

5.BF.05FerrotychiteNa6(Fe,Mn,Mg)2(CO3)4(SO4)
5.BF.05ManganotychiteNa6Mn2(CO3)4(SO4)
5.BF.05NorthupiteNa3Mg(CO3)2ClIso. m3 (2/m 3) : Fd3
5.BF.10BonshtedtiteNa3Fe2+(CO3)(PO4)Mon. 2/m : P21/m
5.BF.10BradleyiteNa3Mg(CO3)(PO4)Mon.
5.BF.10CrawforditeNa3Sr(CO3)(PO4)Mon.
5.BF.10SidorenkiteNa3Mn2+(CO3)(PO4)Mon.
5.BF.15Daqingshanite-(Ce)(Sr,Ca,Ba)3(Ce,La)(CO3)3-x(PO4)(OH,F)2xTrig.
5.BF.20Reederite-(Y)(Na,Mn)15Y2(CO3)9(FSO3)ClHex. 6 : P6
5.BF.25Mineevite-(Y)Na25Ba(Y,Gd,Dy)2(CO3)11(HCO3)4(SO4)2F2ClHex.
5.BF.30BrianyoungiteZn3(CO3,SO4)(OH)4Mon. 2/m : P21/m
5.BF.35PhilolithitePb12Mn2+(Mg,Mn2+)2(Mn2+,Mg)4(CO3)4(SO4)O6(OH)12Cl4Tet. 4/mmm (4/m 2/m 2/m)
5.BF.40LeadhillitePb4(CO3)2(SO4)(OH)2Mon. 2/m : P21/b
5.BF.40MacphersonitePb4(CO3)2(SO4)(OH)2Orth. mmm (2/m 2/m 2/m)
5.BF.40SusannitePb4(CO3)2(SO4)(OH)2Trig. 3 : P3

Related Minerals - Dana Grouping (8th Ed.)Hide

17.1.1.2FerrotychiteNa6(Fe,Mn,Mg)2(CO3)4(SO4)
17.1.1.3ManganotychiteNa6Mn2(CO3)4(SO4)

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

12.2.1BurkeiteNa6(CO3)(SO4)2Orth.
12.2.2HanksiteNa22K(SO4)9(CO3)2ClHex. 6/m : P63/m
12.2.4MotukoreaiteMg6Al3(OH)18[Na(H2O)6][SO4]2 · 6H2OTrig. 3m (3 2/m) : R3m
12.2.5FerrotychiteNa6(Fe,Mn,Mg)2(CO3)4(SO4)
12.2.6NakauriiteCu8(SO4)4(CO3)(OH)6 · 48H2OOrth.
12.2.7CarbonatecyanotrichiteCu4Al2(CO3,SO4)(OH)12 · 2H2OOrth.
12.2.8RapidcreekiteCa2(SO4)(CO3) · 4H2OOrth.
12.2.9TatarskiteCa6Mg2(SO4)2(CO3)2(OH)4Cl4 · 7H2OOrth.
12.2.10Schulenbergite(Cu,Zn)7(SO4)2(OH)10 · 3H2OTrig.
12.2.11LeadhillitePb4(CO3)2(SO4)(OH)2Mon. 2/m : P21/b
12.2.12MacphersonitePb4(CO3)2(SO4)(OH)2Orth. mmm (2/m 2/m 2/m)
12.2.13SusannitePb4(CO3)2(SO4)(OH)2Trig. 3 : P3
12.2.14WherryitePb7Cu2(SO4)4(SiO4)2(OH)2Mon. 2/m : B2/m
12.2.15CaledonitePb5Cu2(SO4)3(CO3)(OH)6Orth. mm2 : Pmn21
12.2.16NasledovitePbMn3Al4(CO3)4(SO4)O5 · 5H2O
12.2.17JouravskiteCa3Mn4+(SO4)(CO3)(OH)6 · 12H2OHex.
12.2.18SchröckingeriteNaCa3(UO2)(CO3)3(SO4)F · 10H2OTric. 1 : P1
12.2.19ManganotychiteNa6Mn2(CO3)4(SO4)
12.2.20HauckiteFe3+3(Mg,Mn2+)24Zn18(SO4)4(CO3)2(OH)81Hex. 6/mmm (6/m 2/m 2/m) : P6/mmm
12.2.21ParaotwayiteNi(OH)2-x(SO4,CO3)0.5xMon.
12.2.22Carrboydite(Ni1-xAlx)(SO4)x/2(OH)2 · nH2OHex.
12.2.23Mountkeithite[(Mg1-xFe3+x)(OH)2][SO4]x/2 · nH2OHex.
12.2.24CamérolaiteCu6Al3(OH)18(H2O)2[Sb(OH)6](SO4)Tric. 1 : P1

Other InformationHide

Notes:
Soluble in dilute acids.
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 TychiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Penfield S.L., Jamieson G.S. (1905) On tychite, a new mineral from Borax Lake, California, and on its artificial production and its relations to northupite, American Journal of Science, 4th. Series: 20: 217-224. Zeitschrift für Kristallographie, Band 41: 235-242 (1905).
de Schulten (1906) Comptes rendus de l’Académie des Sciences de Paris: 143: 403.
Gossner and Koch (1931) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 80: 458.
Shiba and Watanabé (1931) Comptes rendus de l’Académie des Sciences de Paris: 193: 1421.
Palache, C., Berman, H., & Frondel, C. (1951) The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged: 294-295.
Keester, K.L., G.G. Johnson & V. Vand (1969) New data on tychite: American Mineralogist: 54: 302-305.
Acta Crystallographica (1980) B36: 1332.
Schmidt, G.R., J. Reynard, H. Yang and R. T. Downs (2006) Tychite, Na6Mg2(SO4)(CO3)4: structure analysis and Raman spectroscopic data. Acta Crystallographica E62, i207-i209.

Internet Links for TychiteHide

Localities for TychiteHide

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 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Canada
 
  • Saskatchewan
Shang, Y. (2000). Mineralogy, lithostratigraphy and geochemistry of North Ingebright Lake, Saskatchewan, Canada. PhD thesis University of Manitoba.
China
 
  • Tibet Autonomous Region
    • Nagchu Prefecture (Naqu Prefecture)
      • Baingoin Co. (Bange Co.)
Xiyu Zheng and Shengsong Yu (1981): Scientia Geographica Sinica 1(1), 66-76; Shaoxiu Yang (1991): Journal of Lake Sciences 3(1), 1-10
Russia
 
  • Northern Region
    • Murmanskaya Oblast'
      • Khibiny Massif
Sharygin, I. S., Golovin, A. V., Korsakov, A. V., & Pokhilenko, N. P. (2013). Eitelite in sheared peridotite xenoliths from Udachnaya-East kimberlite pipe (Russia)–a new locality and host rock type. European Journal of Mineralogy, 25(5), 825-834.
Uganda
 
  • Western Region
    • Kasese District
Collection of NHM, Vienna; Mineralogical Recoed 8:396
USA
 
  • California
    • Lake Co.
      • Sulphur Creek District (Sulfur Creek District; Wilbur Springs District)
        • Clear Lake Oaks
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 233.
    • San Bernardino Co.
Penfield, Samuel Lewis & George S. Jamieson (1905), On tychite, a new mineral from Borax Lake, California, and on its artificial production and its relations to northupite: American Journal of Science, 4th. series: 20: 217; Gale, Hoyt Stoddard (1915), Salines in the Owens, Searles, and Panamint basins, southeastern California: USGS Bulletin 580: 308; Foshag, William Frederick (1935), Burkeite, a new mineral species from Searles Lake, California: American Mineralogist: 20: 51; Smith, George Irving & W.P. Pratt (1957), Core logs from Owens, China, Searles and Panamint Basins, California: USGS Bulletin 1045-A: 31; Pabst, Adolf, Dwight L. Sawyer, Jr. & George S. Switzer (1963), Galeite and related phases in the system Na2SO4.NaF.NaCl: American Mineralogist: 48: 487; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 208; Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 279, 294, 340, 633; American Mineralogist (1969): 54: 302.; Gale, Hoyt Stoddard (1915), Mineralogy of the Searles Lake deposits in Salines in the Owens, Searles, and Panamint basins, southeastern California: USGS Bulletin 580: 296-308
Mineral and/or Locality  
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