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Konyaite

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About KonyaiteHide

Formula:
Na2Mg(SO4)2 · 5H2O
Colour:
White, colourless
Hardness:
Specific Gravity:
2.088
Crystal System:
Monoclinic
Name:
After the locality near Cakmak, Great Konya Basin, Konya Province, Central Anatolia Region, Turkey.
A water-soluble mineral that occurs as a component of salt efflorescences on saline soils, formed between 30°C and 50°C by evaporation of ground and surface waters.

Related to the Picromerite Group.


Classification of KonyaiteHide

Approved
7.CC.80

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
C : Sulfates (selenates, etc.) without additional anions, with H2O
C : With medium-sized and large cations
29.3.5.1

29 : HYDRATED ACID AND NORMAL SULFATES
3 : A2B(XO4)2·xH2O
25.3.10

25 : Sulphates
3 : Sulphates of Mg

Physical Properties of KonyaiteHide

Transparency:
Transparent
Colour:
White, colourless
Hardness:
2½ on Mohs scale
Density:
2.088 g/cm3 (Measured)    2.097 g/cm3 (Calculated)

Optical Data of KonyaiteHide

Type:
Biaxial (+)
RI values:
nα = 1.464 nβ = 1.468 nγ = 1.474
2V:
Measured: 74° , Calculated: 80°
Max Birefringence:
δ = 0.010
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r > v strong

Chemical Properties of KonyaiteHide

Formula:
Na2Mg(SO4)2 · 5H2O

Crystallography of KonyaiteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Cell Parameters:
a = 5.78 Å, b = 24.01 Å, c = 8.67 Å
β = 95.41°
Ratio:
a:b:c = 0.241 : 1 : 0.361
Unit Cell V:
1,197.84 ų (Calculated from Unit Cell)
Z:
4

Type Occurrence of KonyaiteHide

Synonyms of KonyaiteHide

Other Language Names for KonyaiteHide

German:Konyait
Spanish:Konyaita

Relationship of Konyaite to other SpeciesHide

Structurally related to group(s):
Picromerite GroupA2M(XO4)2·6H2O

Common AssociatesHide

BlöditeNa2Mg(SO4)2 · 4H2O
BurkeiteNa6(CO3)(SO4)2
EpsomiteMgSO4 · 7H2O
GypsumCaSO4 · 2H2O
HaliteNaCl
HexahydriteMgSO4 · 6H2O
LöweiteNa12Mg7(SO4)13 · 15H2O
MirabiliteNa2SO4 · 10H2O
StarkeyiteMgSO4 · 4H2O
ThénarditeNa2SO4
TychiteNa6Mg2(CO3)4(SO4)

Related Minerals - Nickel-Strunz GroupingHide

7.CC.CobaltoblöditeNa2Co(SO4)2•4H2OMon. 2/m : P21/b
7.CC.AndychristyitePbCu2+Te6+O5(H2O)Tric. 1 : P1
7.CC.05KrausiteKFe(SO4)2 · H2OMon. 2/m : P21/m
7.CC.10TamarugiteNaAl(SO4)2 · 6H2OMon. 2/m
7.CC.15KaliniteKAl(SO4)2 · 11H2OMon. 2/m : B2/b
7.CC.15MendoziteNaAl(SO4)2 · 11H2OMon. 2/m
7.CC.20Lonecreekite(NH4)Fe3+(SO4)2 · 12H2OIso.
7.CC.20Alum-(K)KAl(SO4)2 · 12H2OIso. m3 (2/m 3) : Pa3
7.CC.20Alum-(Na)NaAl(SO4)2 · 12H2O
7.CC.20Tschermigite(NH4)Al(SO4)2 · 12H2OIso. m3 (2/m 3) : Pa3
7.CC.20LanmuchangiteTl+Al(SO4)2 · 12H2OIso. m3 (2/m 3) : Pa3
7.CC.25VoltaiteK2Fe2+5Fe3+3Al(SO4)12 · 18H2OIso. m3m (4/m 3 2/m) : Fd3c
7.CC.25ZincovoltaiteK2Zn5Fe3+3Al(SO4)12 · 18H2OIso. m3m (4/m 3 2/m) : Fd3c
7.CC.25PertlikiteK2(Fe2+,Mg)2Mg4Fe3+2Al(SO4)12 · 18H2OTet. 4/mmm (4/m 2/m 2/m) : I41/acd
7.CC.25Ammoniomagnesiovoltaite(NH4)2Mg2+5Fe3+3Al(SO4)12 · 18H2OIso. m3m (4/m 3 2/m) : Fd3c
7.CC.30KröhnkiteNa2Cu(SO4)2 · 2H2OMon. 2/m : P21/b
7.CC.35FerrinatriteNa3Fe(SO4)3 · 3H2OTrig. 3 : P3
7.CC.40GoldichiteKFe(SO4)2 · 4H2OMon. 2/m : P21/b
7.CC.45LöweiteNa12Mg7(SO4)13 · 15H2OTrig.
7.CC.50BlöditeNa2Mg(SO4)2 · 4H2OMon. 2/m
7.CC.50NickelblöditeNa2(Ni,Mg)(SO4)2 · 4H2O
7.CC.50ChangoiteNa2Zn(SO4)2 · 4H2OMon. 2/m : P21/b
7.CC.55LeoniteK2Mg(SO4)2 · 4H2OMon. 2/m
7.CC.55MereiteriteK2Fe(SO4)2 · 4H2OMon.
7.CC.60Boussingaultite(NH4)2Mg(SO4)2 · 6H2OMon. 2/m : P21/b
7.CC.60CyanochroiteK2Cu(SO4)2 · 6H2OMon. 2/m
7.CC.60Mohrite(NH4)2Fe(SO4)2 · 6H2OMon. 2/m : P21/b
7.CC.60Nickelboussingaultite(NH4)2Ni(SO4)2 · 6H2O
7.CC.60PicromeriteK2Mg(SO4)2 · 6H2OMon. 2/m
7.CC.65PolyhaliteK2Ca2Mg(SO4)4 · 2H2OTric. 1
7.CC.70LeightoniteK2Ca2Cu(SO4)4 · 2H2OTric.
7.CC.75AmarilliteNaFe(SO4)2 · 6H2OMon. 2/m : B2/b
7.CC.85WattevilleiteNa2Ca(SO4)2 · 4H2O (?)Orth.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

25.3.1KieseriteMgSO4 · H2OMon. 2/m
25.3.2SanderiteMgSO4 · 2H2OOrth. 2 2 2 : P21 21 21
25.3.3StarkeyiteMgSO4 · 4H2OMon. 2/m : P21/b
25.3.4PentahydriteMgSO4 · 5H2OTric.
25.3.5HexahydriteMgSO4 · 6H2OMon. 2/m : P2/m
25.3.6EpsomiteMgSO4 · 7H2OOrth. 2 2 2 : P21 21 21
25.3.7CaminiteMg7(SO4)5(OH)4 · H2OTet.
25.3.8VanthoffiteNa6Mg(SO4)4Mon. 2/m : P21/b
25.3.9BlöditeNa2Mg(SO4)2 · 4H2OMon. 2/m
25.3.11LöweiteNa12Mg7(SO4)13 · 15H2OTrig.
25.3.12UklonskoviteNaMg(SO4)F · 2H2OMon.
25.3.13LangbeiniteK2Mg2(SO4)3Iso. 2 3 : P21 3
25.3.14LeoniteK2Mg(SO4)2 · 4H2OMon. 2/m
25.3.15PicromeriteK2Mg(SO4)2 · 6H2OMon. 2/m
25.3.16Efremovite(NH4)2Mg2(SO4)3Iso.
25.3.17Boussingaultite(NH4)2Mg(SO4)2 · 6H2OMon. 2/m : P21/b
25.3.18PickeringiteMgAl2(SO4)4 · 22H2OMon. 2/m : P21/b

Other InformationHide

Notes:
Very easily soluble in water. Unstable - alters to blödite in a relatively short period of time.
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 KonyaiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
van Doesburg, J.D.J., L. Vergouwen, and L. van der Plas (1982): Konyaite, Na2Mg(SO4)2•5H2O, a new mineral from the Great Konya Basin, Turkey. American Mineralogist 67, 1035-1038.
American Mineralogist (1989): 74: 1382.
Dokoupilová, P., Sracek, O. & Losos, Z. (2007) Geochemical behaviour and mineralogical transformations during spontaneous combustion of a coal waste pile in Oslavany, Czech Republic, Mineralogical Magazine, 71, 443-460.
Leduc, E.M.S., Peterson, R.C., Wang, R. (2009): The crystal structure and hydrogen bonding of synthetic konyaite, Na2Mg(SO4)2•5H2O. American Mineralogist, 94, 1005-1011.
Mills, S. J., Wilson, S. A., Dipple, G. M. & Raudsepp, M. (2010) The decomposition of konyaite: Importance in CO2 in mine tailings. Mineralogical Magazine, 74(5), 903–917.

Internet Links for KonyaiteHide

Localities for KonyaiteHide

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.
Australia
 
  • Western Australia
    • Wiluna Shire
      • Mount Keith
Mills, S. J., Wilson, S. A., Dipple, G. M. & Raudsepp, M. (2010) The decomposition of konyaite: importance in CO₂ fixation in mine tailings. Mineralogical Magazine Vol.74(5) pp.903–917.
Canada
 
Kohut, C. K., & Dudas, M. J. (1993). Evaporite mineralogy and trace-element content of salt-affected soils in Alberta. Canadian journal of soil science, 73(4), 399-409.
China
 
Akihiko Okada, Sadayo Yabuki, and Congqiang Liu (1994): RIKEN Review 5, 3-4
Czech Republic
 
  • South Moravia Region
    • Oslavany
Dokoupilova P., Sulovsky P., Losos Z. 2006: Hematite, hexahydrite and picromerite group from the mine waste of the coal mine Kukla in Oslavany. Mineralogia Polonica - Special Papers, vol. 28, 57-59
Hršelová, P., Cempírek, J., Houzar, S., Sejkora, J. (2013): S,F,Cl-rich mineral assemblages from burned spoil heaps in the Rosice-Oslavany coalfield, Czech Republic. Can. Mineral.: 51(1): 171-188
France
 
  • Hauts-de-France
    • Pas-de-Calais
Naze-Nancy Masalehdani, M., Mees, F., Dubois, M., Coquinot, Y., Potdevin, J.-L., Fialin, M. & Blanc-Valleron, M.-M. (2009): Condensate minerals from a burning coal-waste heap in Avion, Northern France. Can. Mineral. 47, 573-591.
Poland
 
  • Upper Silesia (Śląskie)
    • Rybnik District
      • Czerwionka-Leszczyny Commune
Kruszewski, Ł. (2013): Supergene minerals from the burning coal mining dumps in the Upper Silesian Coal Basin, South Poland. International Journal of Coal Geology: 105: 91-109 (http://www.sciencedirect.com/science/article/pii/S0166516212002881)
Kruszewski, Ł. (2013). Supergene sulphate minerals from the burning coal mining dumps in the Upper Silesian Coal Basin, South Poland. International Journal of Coal Geology, 105, 91-109.
Romania
 
  • Bistrița-Năsăud Co.
    • Rodna Mtn (Rodnei Mtn)
Mineralogical Magazine: 65(1): 1-7.
Russia
 
  • Eastern-Siberian Region
    • Khakassia Republic (Khakassy Republic; Khakassiya Republic)
      • Ust-Abakan
Arkhipov, A. L., Ivanova, M. O., & Tishin, P. A. (2015). Zonality and Mineral Association of Modern Evaporates in the South-Minusinsk Basin by the Example of Taloe Lake and Ak-Kol Lake (Khakassia Republic). International Multidisciplinary Scientific GeoConference: SGEM: Surveying Geology & mining Ecology Management, 1, 537.
Arkhipov, A. L., Ivanova, M. O., & Tishin, P. A. (2015). Zonality and Mineral Association of Modern Evaporates in the South-Minusinsk Basin by the Example of Taloe Lake and Ak-Kol Lake (Khakassia Republic). International Multidisciplinary Scientific GeoConference: SGEM: Surveying Geology & mining Ecology Management, 1, 537.
Spain
 
  • Aragón
    • Huesca
      • Flumen-Monegros District
Vizcayno, C., Garcia-Gonzalez, M. T., Gutierrez, M., & Rodriguez, R. (1995). Mineralogical, chemical and morphological features of salt accumulations in the Flumen-Monegros district, NE Spain. Geoderma, 68(3), 193-210.
Vizcayno, C., Garcia-Gonzalez, M. T., Gutierrez, M., & Rodriguez, R. (1995). Mineralogical, chemical and morphological features of salt accumulations in the Flumen-Monegros district, NE Spain. Geoderma, 68(3), 193-210.
  • Balearic Islands
    • Majorca
      • Llucmajor
Onac, B.P., Fornós, J.J., Merino, A., Ginés, J., Diehl, J. (2014): Linking mineral deposits to speleogenetic processes in Cova des Pas de Vallgornera (Mallorca, Spain). International Journal of Speleology, 43, 2, 143-157.
Turkey
 
  • Central Anatolia Region
    • Konya Province
van Doesburg, J.D.J., L. Vergouwen, and L. van der Plas (1982): Konyaite, Na2Mg(SO4)2•5H2O, a new mineral from the Great Konya Basin, Turkey. American Mineralogist 67, 1035-1038.
Amer.Min.(1982) 67, 1035-1038
USA
 
  • California
    • Imperial Co.
      • Salton Sea
        • Mullet Island
          • F2 fumerole field
Adams, P., & Lynch, D. (2014). A mineralogical inventory of geothermal features southeast of the Salton Sea, Imperial County, California. Trough to trough: The Colorado River and the Salton Sea (Reynolds, R, 39-43.
    • Inyo Co.
      • Death Valley
Gunnar Färber
  • Colorado
    • Weld Co.
Minerals of Colorado (1997) Eckel, E. B.
Zielinski, R. A., Otton, J. K., & Johnson, C. A. (2001). Sources of salinity near a coal mine spoil pile, north-central Colorado. Journal of environmental quality, 30(4), 1237-1248.
  • Utah
    • San Juan Co.
      • White Canyon District
        • Red Canyon
Joe Marty (2015) Minerals of the Blue Lizard Mine and other Western Localities, NCMA Annual Symposium 2015
Mineral and/or Locality  
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