Zýkaite (original) (raw)
A valid IMA mineral species
About ZýkaiteHide
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Formula:
Fe3+4(AsO4)3(SO4)(OH) · 15H2O
Colour:
Greyish white, light yellow, light green
Crystal System:
Orthorhombic
Name:
Named after Dr. Václav Zýka (1926 – 1990), Czech geologist, geochemist, and Director of the Institute of Raw Materials, Kutná Hora, Czech Republic.
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:4437:6
a465fabe-e1ff-40f2-9ab9-ea1ad192b3ab
IMA Classification of ZýkaiteHide
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Type description reference:
Classification of ZýkaiteHide
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8.DB.45
8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
B : With only medium-sized cations, (OH, etc.):RO4< 1:1
43.5.3.2
43 : COMPOUND PHOSPHATES, ETC.
5 : Hydrated Compound Phosphates, etc·, Containing Hydroxyl or Halogen
22.3.28
22 : Phosphates, Arsenates or Vanadates with other Anions
3 : Phosphates, arsenates or vanadates with sulphates
Mineral SymbolsHide
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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Zýk | 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 ZýkaiteHide
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Colour:
Greyish white, light yellow, light green
Fracture:
Irregular/Uneven
Density:
2.50 g/cm3 (Measured) 2.504 g/cm3 (Calculated)
Optical Data of ZýkaiteHide
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RI values:
_n_α = 1.632 _n_β = 1.635 - 1.636 _n_γ = 1.646
2V:
Measured: 60° , Calculated: 56° to 66°
δ = 0.014
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Dispersion:
weak to distinct
Chemistry of ZýkaiteHide
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Mindat Formula:
Fe3+4(AsO4)3(SO4)(OH) · 15H2O
Crystallography of ZýkaiteHide
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Crystal System:
Orthorhombic
Class (H-M):
222 - Disphenoidal
Cell Parameters:
a = 20.853(20) Å, b = 7.033(4) Å, c = 36.991(23) Å
Ratio:
a:b:c = 2.965 : 1 : 5.26
Unit Cell V:
5,425.07 ų (Calculated from Unit Cell)
X-Ray Powder DiffractionHide
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Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 10.6 Å | (7) |
| 10.4 Å | (10) |
| 6.92 Å | (4) |
| 5.610 Å | (4) |
| 3.812 Å | (4) |
| 3.516 Å | (3) |
| 2.831 Å | (4) |
Geological EnvironmentHide
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Type Occurrence of ZýkaiteHide
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Place of Conservation of Type Material:
Charles University, Prague, Czech Republic, 20558.
National School of Mines, Paris, France.
National Museum of Natural History, Washington, D.C., USA, 144940, 144941.
Geological Setting of Type Material:
alteration product of arsenopyrite and pyrite
Associated Minerals at Type Locality:
Reference:
Cech, F., Praha, J., Novak, F. (1978) Zýkaite, Fe43+ (AsO4)3(SO4)(OH)·15H2O, a new mineral. Neues Jahrbuch für Mineralogie, Monatshefte: 1978: 134-144.
Synonyms of ZýkaiteHide
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Other Language Names for ZýkaiteHide
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Relationship of Zýkaite to other SpeciesHide
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Other Members of this group:
Common AssociatesHide
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Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat GroupingHide
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| 8.DB. | Arangasite | Al2F(PO4)(SO4) · 9H2O | Mon. 2/m : _P_2/b |
|---|---|---|---|
| 8.DB. | Camaronesite | [Fe3+(H2O)2(PO3OH)]2(SO4) · 1-2H2O | Trig. 32 : _R_32 |
| 8.DB. | Höslite | Fe3+3(VO4)2(SO4)(OH)(H2O)4 · 3H2O | Mon. 2/m : _P_21/b |
| 8.DB.05 | Diadochite | Fe3+2(PO4)(SO4)(OH) · 6H2O | Amor. |
| 8.DB.05 | Pitticite | (Fe, AsO4, H2O) (?) | Amor. |
| 8.DB.05 | Destinezite | Fe3+2(PO4)(SO4)(OH) · 6H2O | Tric. 1 : _P_1 |
| 8.DB.07 | Wilhelmgümbelite | ZnFe2+Fe3+3(PO4)3(OH)4(H2O)5 · 2H2O | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 8.DB.07 | Schmidite | [Zn2(Fe3+,Mn2+)2Fe3+(PO4)3(OH)3(H2O)6] · 2H2O | Orth. |
| 8.DB.07 | Wildenauerite | Zn(Fe3+,Mn2+)2MnFe3+(PO4)3(OH)3(H2O)6 · 2H2O | Orth. m m m _(_2/_m_2/_m_2/m ) : P b a m |
| 8.DB.10 | Vashegyite | Al11(PO4)9(OH)6 · 38H2O | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 8.DB.15 | Schoonerite | ZnMn2+Fe2+2Fe3+(PO4)3(OH)2 · 9H2O | Orth. m m m _(_2/_m_2/_m_2/m ) : P b a m |
| 8.DB.20 | Sinkankasite | Mn2+Al(PO3OH)2(OH) · 6H2O | Tric. 1 : _P_1 |
| 8.DB.25 | Mitryaevaite | Al6(PO4)((P,S)O3(OH,O))2F2(OH)2 · 14.5H2O | Tric. 1 : _P_1 |
| 8.DB.30 | Sanjuanite | Al2(PO4)(SO4)(OH) · 9H2O | Tric. |
| 8.DB.35 | Sarmientite | Fe3+2(AsO4)(SO4)(OH) · 5H2O | Mon. 2/m : _P_21/b |
| 8.DB.40 | Bukovskýite | Fe3+2(AsO4)(SO4)(OH) · 9H2O | Tric. 1 : _P_1 |
| 8.DB.40 | Flurlite | Zn3Mn2+Fe3+(PO4)3(OH)2 · 9H2O | Mon. 2/m : _P_21/m |
| 8.DB.40 | Manganflurlite | ZnMn2+3Fe3+(PO4)3(OH)2(H2O)7 · 2H2O | Mon. 2/m : _P_21/m |
| 8.DB.42 | Bohuslavite | Fe3+4(PO4)3(SO4)(OH) · nH2O | Tric. 1 : _P_1 |
| 8.DB.47 | Lapeyreite | Cu3O[AsO3(OH)]2 · 0.75H2O | Mon. 2/m : _B_2/m |
| 8.DB.50 | Giniite | Fe2+Fe3+4(PO4)3(OH)5 · 2H2O | Mon. 2/m : _P_2/b |
| 8.DB.50 | Rossiantonite | Al3(PO4)(SO4)2(OH)2(H2O)14 | Tric. 1 : _P_1 |
| 8.DB.52 | Arctowskite | Al9(PO4)8(OH)3 · 27H2O | Orth. |
| 8.DB.55 | Sasaite | (Al,Fe3+)14(PO4)11(SO4)(OH)7 · 83H2O | Orth. |
| 8.DB.60 | Mcauslanite | Fe3Al2(PO4)3(PO3OH)F · 18H2O | Tric. |
| 8.DB.65 | Goldquarryite | CuCd2Al3(PO4)4F2(H2O,F)2 · 10H2O | Tric. 1 : _P_1 |
| 8.DB.70 | Birchite | Cd2Cu2(PO4)2(SO4) · 5H2O | Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a |
| 8.DB.75 | Braithwaiteite | NaCu5(Ti4+Sb5+)(AsO4)4(HAsO4)2O2 · 8H2O | Tric. 1 : _P_1 |
Other InformationHide
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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 ZýkaiteHide
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References for ZýkaiteHide
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Localities for ZýkaiteHide
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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
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- 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.
| Austria | |
|---|---|
| Carinthia Spittal an der Drau District Heiligenblut am Großglockner ⓘ Kloben gold mines (south slope) | Auer (2023) |
| Czech Republic | |
| Central Bohemian Region Kutná Hora District Kutná Hora ⓘ Kaňk | www.mindat.org (2022) |
| ⓘ Šafary Mine (TL) | Čech et al. (1978) |
| Karlovy Vary Region Karlovy Vary District ⓘ Jáchymov | Lapis 2002 (7/8) |
| Germany | |
| Saxony Meissen Klipphausen ⓘ Munzig | www.mineralienatlas.de (n.d.) |
| Mittelsachsen Brand-Erbisdorf Vereinigt Feld Mine ⓘ Thelersberg adit | T. Witzke & M. Hocker (1993) |
| Freiberg Himmelfahrt Mine ⓘ Reiche Zeche-Schacht | Witzke (2023) |
| Zug ⓘ Beschert Glück Mine | 90. +1 other reference |
| Großschirma Großvoigtsberg ⓘ Christbescherung Mine | T. Witzke & M. Hocker (1993) |
| Greece | |
| Attica East Attica Lavreotiki Lavrion Mining District Agios Konstantinos (Kamariza) Kamariza Mines (Kamareza Mines) ⓘ Hilarion Mine | Rieck et al. (2018) |
| New Zealand | |
| Otago Region Queenstown-Lakes District Skippers ⓘ Phoenix Mine (Scandinavian; Achilles; Bullen; Mount Aurum) | Haffert et al. (2010) |
| Poland | |
| Lower Silesian Voivodeship Jawor County Gmina Bolków Radzimowice Stara Góra deposit ⓘ Wilhelm Mine | Siuda (2004) |
| Russia | |
| Republic of Karelia Pryazhinsky District ⓘ Novye Peski deposit | Ivashchenko et al. (2018, June) |