Kelyanite
A valid IMA mineral species
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About Kelyanite
Formula:
[Hg]2+6Sb3+BrCl2O6
Colour:
reddish brown
Lustre:
Vitreous, Resinous
Hardness:
3 - 3½
Specific Gravity:
8.51 - 8.63
Crystal System:
Trigonal
Name:
For the type locality
This page provides mineralogical data about Kelyanite.
Unique Identifiers
Mindat ID:
2181
Long-form identifier:
mindat:1:1:2181:0
IMA Classification of Kelyanite
Approved
IMA Formula:
(Hg2)2+6Sb3+O6BrCl2
Approval year:
1981
First published:
1982
Classification of Kelyanite
3.DD.60
3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
D : With Hg
3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
D : With Hg
10.6.11.1
10 : OXYHALIDES AND HYDROXYHALIDES
6 : AmBn(O,OH)pXq
10 : OXYHALIDES AND HYDROXYHALIDES
6 : AmBn(O,OH)pXq
8.9.2
8 : Halides - Fluorides, Chlorides, Bromides and Iodides; also Fluoborates and Fluosilicates
9 : Halides of Sb and Bi
8 : Halides - Fluorides, Chlorides, Bromides and Iodides; also Fluoborates and Fluosilicates
9 : Halides of Sb and Bi
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference for Standard |
|---|---|---|
| Kyn | 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 Kelyanite
Vitreous, Resinous
Transparency:
Translucent
Colour:
Reddish brown
Streak:
Brownish red, cherry red
Hardness:
3 - 3½ on Mohs scale
Hardness:
VHN20=234 - 264 kg/mm2 - Vickers
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Conchoidal
Density:
8.51 - 8.63 g/cm3 (Measured) 8.68 g/cm3 (Calculated)
Optical Data of Kelyanite
Anisotropism:
noted
Bireflectance:
weak
Reflectivity:
| Wavelength | R1 (%) | R2 (%) |
|---|---|---|
| 460nm | 20.5% | 19.9% |
| 546nm | 18.9% | 18.1% |
| 620nm | 17.8% | 17.1% |
Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 20.5%.
R1 shown in black, R2 shown in red
Colour in reflected light:
grayish white
Internal Reflections:
deep brownish red to deep red
Pleochroism:
Visible
Comments:
reddish brown to pale brown
Chemistry of Kelyanite
Mindat Formula:
[Hg]2+6Sb3+BrCl2O6
Element Weights:
Crystallography of Kelyanite
Crystal System:
Trigonal
Class (H-M):
3 - Pyramidal
Space Group:
P3
Cell Parameters:
a = 13.560(4) Å, c = 10.004(6) Å
Ratio:
a:c = 1 : 0.738
Unit Cell V:
1,593.03 ų (Calculated from Unit Cell)
Z:
3
Morphology:
Irregular grains
Twinning:
None observed in type material
Crystal Structure
Load
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
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CIF File Best | x | y | z | a | b | c
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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) |
|---|---|---|---|---|---|---|---|
| 0004681 | Kelyanite | Pervukhina N V, Borisov S V, Magarill S A, Naumov D Y, Vasilev V I (2008) The crystal structure of kelyanite (Hg2)6(SbO6)BrCl2 American Mineralogist 93 1666-1669 | ![]() | 2008 | Kelyana deposit, Buryatia, Russia | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 3.30 Å | (100) |
| 3.78 Å | (60) |
| 2.72 Å | (60) |
| 2.53 Å | (60) |
| 3.24 Å | (50) |
| 2.364 Å | (50) |
| 1.954 Å | (50) |
Locality:
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 7: Great Oxidation Event | <2.4 |
| 47d : [Arsenates, antimonates, selenates, bismuthinates] | |
| 47g : [Halogen-bearing surface weathering minerals] |
Type Occurrence of Kelyanite
General Appearance of Type Material:
Irregular grains up to 1-2 mm.
Place of Conservation of Type Material:
Central Siberian Geological Museum, Siberian Division, Academy of Sciences, Novosibirsk, Russia, VI-20/1.
Mining Institute, St. Petersburg, Russia, 1203/1–2.
A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, 80163.
Mining Institute, St. Petersburg, Russia, 1203/1–2.
A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, 80163.
Geological Setting of Type Material:
Alteration zone of mercury deposit
Associated Minerals at Type Locality:
Synonyms of Kelyanite
Other Language Names for Kelyanite
Related Minerals - Strunz-mindat Grouping
| 3.DD. | Mikecoxite | [CHg4]OCl2 |
| 3.DD.05 | Eglestonite | [Hg2]2+3OCl3(OH) |
| 3.DD.05 | Kadyrelite | [Hg2]2+3OBr3(OH) |
| 3.DD.10 | Poyarkovite | [Hg2]2+3Cl2O2 |
| 3.DD.15 | Hanawaltite | [Hg2]2+3Hg2+(Cl,OH)2O3 |
| 3.DD.20 | Terlinguaite | [Hg3]4+Hg2+Cl2O2 |
| 3.DD.25 | Pinchite | Hg2+5Cl2O4 |
| 3.DD.30 | Gianellaite | [(Hg2N)2](SO4)(H2O)x |
| 3.DD.30 | Mosesite | (Hg2N)(Cl,SO4,MoO4) · H2O |
| 3.DD.35 | Kleinite | (Hg2N)(Cl,SO4) · nH2O |
| 3.DD.40 | Tedhadleyite | [Hg2]2+5Hg2+I2(Cl,Br)2O4 |
| 3.DD.45 | Vasilyevite | [Hg2]2+10I3Br2Cl[CO3]O6 |
| 3.DD.50 | Aurivilliusite | [Hg2]2+Hg2+2(I,Br,Cl)2O2 |
| 3.DD.55 | Terlinguacreekite | Hg2+3Cl2O2 |
| 3.DD.65 | Comancheite | Hg2+55N3-24(NH2,OH)4(Cl,Br)34 |
| 3.DD.70 | Gaildunningite | Hg2+3[NHg2+2]18(Cl,I,OH,Br,S)24 |
Other Information
Notes:
Darkened by KOH and conc. HCl, effervesces and dissolves with HNO3, with 1:1 HCl becomes iridescent.
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 Kelyanite
mindat.org URL:
https://www.mindat.org/min-2181.html
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References for Kelyanite
Reference List:
Vasil'yev, V. I.; Lavrent'yev, Yu. G.; Pal'chik, N. A. (1983) Kelyanite, Hg36Sb3(Cl, Br)9028 - a new mineral. International Geology Review, 25 (7). 864-868 doi:10.1080/00206818309466777
Dunn, P. J., Fleischer, M., Chao, G. Y., Cabri, L. J., Mandarino, J. A. (1983) New mineral names. American Mineralogist, 68 (11-12) 1248-1252
Localities for Kelyanite
Showing 1 localities.
Locality List
- 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).
All localities listed without proper references should be considered as questionable.
Russia (TL) | |
| Vasil'yev et al. (1983) +1 other reference |
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The
Kelyana Hg Deposit, Middle Kelyana River, North-Muya Range, Baunt District, Buryatia, Russia