Khaidarkanite (original) (raw)
A valid IMA mineral species
About KhaidarkaniteHide
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Formula:
Cu4Al3(OH)14F3 · 2H2O
Originally given as Na0.34Cu4Al3(OH)14F3 · 2H2O.
Colour:
Light blue or bright sky-blue
Crystal System:
Monoclinic
Name:
Named after the discovery locality.
Cyanotrichite Group.
Visually similar to cyanotrichite and carbonatecyantrichite.
A small amount of sulphate may be present (or even necessary) in khaidarkanite; the Na content may be variable (Hager et al., 2009). Hager et al. (2009) attributed the Na content to impurities. The current (2022) IMA formula has no Na.
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:7135:8
b9e88d11-cb4b-452a-add1-4105bfd07596
IMA Classification of KhaidarkaniteHide
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Type description reference:
Classification of KhaidarkaniteHide
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3.DA.45
3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
A : With Cu, etc., without Pb
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 |
|---|---|---|
| Kdk | 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 KhaidarkaniteHide
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Colour:
Light blue or bright sky-blue
Density:
2.84 g/cm3 (Measured) 3.00 g/cm3 (Calculated)
Optical Data of KhaidarkaniteHide
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RI values:
_n_α = 1.585(2) _n_β = 1.615(3) _n_γ = 1.648(2)
2V:
Calculated: 80° to 90°
δ = 0.063
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Comments:
X = colorless, Y = sky blue, Z = bright blue, Z > Y > X
Chemistry of KhaidarkaniteHide
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Mindat Formula:
Cu4Al3(OH)14F3 · 2H2O
Originally given as Na0.34Cu4Al3(OH)14F3 · 2H2O.
Crystallography of KhaidarkaniteHide
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Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 12.346(3) Å, b = 2.907(3) Å, c = 10.369(7) Å
β = 97.90(2)°
Ratio:
a:b:c = 4.247 : 1 : 3.567
Unit Cell V:
368.61 ų (Calculated from Unit Cell)
Crystal StructureHide
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| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0019201 | Khaidarkanite | Hager S L, Leverett P, Williams P A (2009) Possible structural and chemical relationships in the cyanotrichite group The Canadian Mineralogist 47 635-648 |  |
2009 | Khaidarkan, Kyrgyzstan | 0 | 293 |
| 0012502 | Khaidarkanite | Rastsvetaeva R K, Chukanov N V, Karpenko V Y (1997) Crystal structure of new native compound Cu4Al3(OH)14F3(H2O)2 Doklady Chemistry 353 45-48 | 1997 | Khaidarkan, Kyrgyzstan | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder DiffractionHide
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Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 10.29 Å | (80) |
| 5.589 Å | (90) |
| 4.232 Å | (100) |
| 2.828 Å | (90) |
| 2.362 Å | (100) |
| 1.871 Å | (80) |
| 1.817 Å | (80) |
Geological EnvironmentHide
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Type Occurrence of KhaidarkaniteHide
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General Appearance of Type Material:
Flat, acicular crystals up to 0.03 × 0.05 × 7 mm, as radial aggregates up to 1 mm across, and as fibrous aggregates.
Place of Conservation of Type Material:
Fersman Mineralogical Museum, Moscow, and in the S.V. Tsaregorodtsev collection at the Ilmenskii Reservation, South Urals, Russia.
Geological Setting of Type Material:
oxidation zone of antimony-mercury deposit
Associated Minerals at Type Locality:
Reference:
Chukanov, N.V., Karpenko, V.Y., Rastsvetaeva, R.K., Zadov, A.E., Kuz'mina, O.V. (1999) Khaidarkanite Cu4Al3(OH)14F3·2H2O, new mineral from Khaidarkan deposit, Kyrgyzstan. Zapiski Vserossijskogo Mineralogicheskogo Obshchestva: 128(3): 58-63.
Synonyms of KhaidarkaniteHide
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Other Language Names for KhaidarkaniteHide
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Relationship of Khaidarkanite 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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Other InformationHide
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IR Spectrum:
Absorption bands at 3490, 3400, 3190, 1630, 1560, 1135, 1101, 1036, 930, 885, 744, 658, 574, 508, and 452 cm–1
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 KhaidarkaniteHide
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References for KhaidarkaniteHide
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Reference List:
Mills, S. J., Christy, A. G., Schnyder, C., Favreau, G., Price, J. R. (2014) The crystal structure of camerolaite and structural variation in the cyanotrichite family of merotypes. Mineralogical Magazine, 78 (7) 1527-1552 doi:10.1180/minmag.2014.078.7.02
Localities for KhaidarkaniteHide
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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 | |
|---|---|
| Salzburg Zell am See District Rauris Alteck - Hoher Sonnblick area Hoher Sonnblick ⓘ North face | Schnorrer et al. (2000) |
| Germany | |
| Baden-Württemberg Freiburg Region Ortenaukreis Oberwolfach ⓘ Clara Mine | Kolitsch et al. (2010) |
| Italy | |
| Friuli Venezia Giulia Udine Province ⓘ Comeglians | Bortolozzi et al. (2018) |
| Kyrgyzstan (TL) | |
| Batken Region Kadamjay District ⓘ Khaidarkan Sb-Hg deposit (TL) | Chukanov et al. (1999) +1 other reference |
| ⓘ Mednaya Gorka |
Robert Lavinsky specimen |