Kolymite
A valid IMA mineral species
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About Kolymite
Formula:
Cu7Hg6
Colour:
Tin-white quickly altering in moist air to brownish-black
Lustre:
Metallic
Hardness:
4
Specific Gravity:
13.0
Crystal System:
Isometric
Name:
Named for the Kolyma River basin that includes the type locality.
Type Locality:
Dimorph of:
This page provides mineralogical data about Kolymite.
Unique Identifiers
Mindat ID:
2244
Long-form identifier:
mindat:1:1:2244:2
GUID
(UUID V4):
(UUID V4):
c1537d86-f132-4b60-b79f-fcb4887058e9
IMA Classification of Kolymite
Approved
First published:
1980
Classification of Kolymite
1.AD.10
1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
A : Metals and Intermetallic Alloys
D : Mercury-amalgam family
1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
A : Metals and Intermetallic Alloys
D : Mercury-amalgam family
Dana 7th ed.:
1.1.13.1
1.1.9.1
1 : NATIVE ELEMENTS AND ALLOYS
1 : Metals, other than the Platinum Group
1 : NATIVE ELEMENTS AND ALLOYS
1 : Metals, other than the Platinum Group
1.13
1 : Elements and Alloys (including the arsenides, antimonides and bismuthides of Cu, Ag and Au)
1 : Elements and Alloys (including the arsenides, antimonides and bismuthides of Cu, Ag and Au)
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 |
---|---|---|
Kym | 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 Kolymite
Metallic
Transparency:
Opaque
Colour:
Tin-white quickly altering in moist air to brownish-black
Hardness:
4 on Mohs scale
Hardness:
VHN20=220 - 267 kg/mm2 - Vickers
Tenacity:
Brittle
Density:
13.0 g/cm3 (Measured) 13.1 g/cm3 (Calculated)
Optical Data of Kolymite
Reflectivity:
Wavelength | R |
---|---|
420nm | 59.0% |
440nm | 61.4% |
460nm | 63.8% |
480nm | 66.8% |
500nm | 69.4% |
520nm | 71.2% |
540nm | 72.1% |
560nm | 72.8% |
580nm | 73.6% |
600nm | 74.0% |
620nm | 74.6% |
640nm | 75.3% |
660nm | 76.0% |
680nm | 76.9% |
700nm | 77.8% |
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 77.8%.
Colour in reflected light:
Creamy white
Chemistry of Kolymite
Mindat Formula:
Cu7Hg6
Elements listed:
Crystallography of Kolymite
Crystal System:
Isometric
Cell Parameters:
a = 9.418(2) Å
Unit Cell V:
835.36 ų (Calculated from Unit Cell)
Z:
4
Comment:
Point Group: 41m"3 21m, 43m, or 432. Space Group: 1m3m, 1432, or 143m.
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
2.98 Å | (25) |
2.52 Å | (42) |
2.22 Å | (100) |
2.09 Å | (25) |
2.01 Å | (25) |
1.29 Å | (25b) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
High-𝑇 alteration and/or metamorphism | |
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12]) |
Type Occurrence of Kolymite
General Appearance of Type Material:
Intergrown with native Cu aggregates (0.01-0.8 mm) of irregular form that contain individual crystals less than 0.005 mm, of cubo-octahedral form with cube predominant.
Place of Conservation of Type Material:
Mineralogical Museum, Academy of Sciences, Moscow, Russia, and at the museum of the Institute of the Mineralogy and Geochemistry of Rare Elements (IMGRE), Moscow, Russia.
Associated Minerals at Type Locality:
Reference:
Markova, E.A., Chernitsova, N.M., Borodaev, Y.S., Dubakina, L.S., Yushko-Zakharova, O.E. (1980) The new mineral kolymite, Cu7Hg6. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva: 109(2): 206-211.
Synonyms of Kolymite
Other Language Names for Kolymite
Related Minerals - Strunz-mindat Grouping
1.AD. | Aurihydrargyrumite | Au6Hg5 |
1.AD.05 | Mercury | Hg |
1.AD.10 | Belendorffite | Cu7Hg6 |
1.AD.15c | Eugenite | Ag11Hg2 |
1.AD.15b | Luanheite | Ag3Hg |
1.AD.15d | Moschellandsbergite | Ag2Hg3 |
1.AD.15a | Paraschachnerite | Ag3Hg2 |
1.AD.15a | Schachnerite | Ag1.1Hg0.9 |
1.AD.20a | Weishanite | (Au,Ag,Hg) |
1.AD.20b | Goldamalgam (of Chen et al.) | (Au,Ag)Hg |
1.AD.20c | Yiyangite | Au3Hg |
1.AD.25 | Potarite | PdHg |
1.AD.30 | Leadamalgam | Pb0.7Hg0.3 |
1.AD.35 | Shosanbetsuite | Ag3Sn |
1.AD.40 | Unnamed (Au2Hg) | Au2Hg |
Other Information
Notes:
Readily fusible, even during the preparation of polished sections by usual methods, and loses most of its mercury at 150°C.
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 Kolymite
mindat.org URL:
https://www.mindat.org/min-2244.html
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Please feel free to link to this page.
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References for Kolymite
Reference List:
Localities for Kolymite
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).
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.
All localities listed without proper references should be considered as questionable.
Chile | |
| |
Hungary | |
| |
Mexico | |
Poland | |
| |
Russia (TL) | |
| |
USA | |
| |
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Adolf Mine, Rudabánya, Kazincbarcika District, Borsod-Abaúj-Zemplén County, Hungary