Chloromenite
A valid IMA mineral species
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About Chloromenite
Formula:
Cu9(SeO3)4O2Cl6
Colour:
tobacco green
Lustre:
Vitreous
Hardness:
1½ - 2½
Specific Gravity:
4.15 (Calculated)
Crystal System:
Monoclinic
Name:
The name comes from chloros, green, and mene, moon, referring to the presence of essential selenium.
This page provides mineralogical data about Chloromenite.
Unique Identifiers
Mindat ID:
6869
Long-form identifier:
mindat:1:1:6869:3
IMA Classification of Chloromenite
Approved
IMA Formula:
Cu2+9O2(Se4+O3)4Cl6
Approval year:
1996
Classification of Chloromenite
4.JG.10
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
J : Arsenites, antimonites, bismuthites, sulfites, selenites, tellurites; iodates
G : Selenites with additional anions, without H2O
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
J : Arsenites, antimonites, bismuthites, sulfites, selenites, tellurites; iodates
G : Selenites with additional anions, without H2O
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 |
|---|---|---|
| Cmn | 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 Chloromenite
Vitreous
Transparency:
Transparent
Colour:
Tobacco green
Comment:
Streak:
Yellowish green
Hardness:
1½ - 2½ on Mohs scale
Hardness:
VHN5=60 - 63 kg/mm2 - Vickers
Tenacity:
Flexible
Cleavage:
Perfect
{101}
{101}
Density:
4.15(1) g/cm3 (Calculated)
Optical Data of Chloromenite
Type:
Biaxial (-)
RI values:
nα = 1.87(1) nβ = 1.92(1) nγ = 1.94(1)
2V:
Measured: 66° (2), Calculated: 63°
Max. Birefringence:
δ = 0.070
Based on recorded range of RI values above.
Based on recorded range of RI values above.
Interference Colours:
The colours simulate birefringence patterns seen in thin section under crossed polars. They do not take into account mineral colouration or opacity.
Michel-Levy Bar The default colours simulate the birefringence range for a 30 µm thin-section thickness. Adjust the slider to simulate a different thickness.
Grain Simulation You can rotate the grain simulation to show how this range might look as you rotated a sample under crossed polars. Each grain retains its interference colour (retardation) while its brightness falls to black at extinction and reaches a maximum between extinction positions.
The colours simulate birefringence patterns seen in thin section under crossed polars. They do not take into account mineral colouration or opacity.
Michel-Levy Bar The default colours simulate the birefringence range for a 30 µm thin-section thickness. Adjust the slider to simulate a different thickness.
Grain Simulation You can rotate the grain simulation to show how this range might look as you rotated a sample under crossed polars. Each grain retains its interference colour (retardation) while its brightness falls to black at extinction and reaches a maximum between extinction positions.
Surface Relief:
Moderate
Dispersion:
strong
Pleochroism:
Visible
Comments:
X = green; Y = pale brownish green; Z = dark brownish green.
Chemistry of Chloromenite
Mindat Formula:
Cu9(SeO3)4O2Cl6
Element Weights:
Elements listed:
Crystallography of Chloromenite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 14.170(3) Å, b = 6.262(1) Å, c = 12.999(3) Å
β = 113.05(1)°
β = 113.05(1)°
Ratio:
a:b:c = 2.263 : 1 : 2.076
Unit Cell V:
1,061.35 ų (Calculated from Unit Cell)
Z:
2
Comment:
Space Group: I2/m.
Crystal Structure
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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) |
|---|---|---|---|---|---|---|---|
| 0011081 | Chloromenite | Krivovichev S V, Filatov S K, Semenova T F, Rozhdestvenskaya I V (1998) Crystal chemistry of inorganic compounds based on chains of oxocentered tetrahedra I. Crystal structure of chloromenite, Cu9O2(SeO3)4Cl6 Zeitschrift fur Kristallographie 213 645-649 |  | 1998 | Tolbachik volcano, Kamchatka, Russia | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 3.450 Å | (100) |
| 5.56 Å | (83) |
| 11.29 Å | (63) |
| 2.486 Å | (61) |
| 3.239 Å | (39) |
| 2.714 Å | (31) |
| 3.643 Å | (25) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 7: Great Oxidation Event | <2.4 |
| 45a : [Sulfates, arsenates, selenates, antimonates] | |
| 45b : [Other oxidized fumarolic minerals] |
Type Occurrence of Chloromenite
General Appearance of Type Material:
platy crystals
Place of Conservation of Type Material:
Department of Mineralogy, St. Petersburg State University; Mining Museum,
St. Petersburg, Russia.
St. Petersburg, Russia.
Geological Setting of Type Material:
fumarole
Associated Minerals at Type Locality:
Synonyms of Chloromenite
Other Language Names for Chloromenite
Common Associates
Associations Based on Photo Data:
| 2 photos of Chloromenite associated with Melanothallite | Cu2Cl2O |
Related Minerals - Strunz-mindat Grouping
| 4.JG. | Prewittite | KPb1.5ZnCu6(SeO3)2O2Cl10 |
| 4.JG. | Masaitisite | KCu5O2(SeO3)2Cl3 |
| 4.JG. | Wangkuirenite | Pb3Cl2(SeO3)2 |
| 4.JG. | Guangyuanite | Pb3Cl3(Se4+O3)(OH) |
| 4.JG.05 | Georgbokiite | Cu5(SeO3)2O2Cl2 |
| 4.JG.05 | Parageorgbokiite | Cu5(SeO3)2O2Cl2 |
| 4.JG.15 | Sofiite | Zn2(SeO3)Cl2 |
| 4.JG.20 | Ilinskite | (Na,K)Cu5(SeO3)2O2Cl3 |
| 4.JG.25 | Francisite | Cu3Bi(SeO3)2O2Cl |
| 4.JG.30 | Derriksite | Cu4(UO2)(SeO3)2(OH)6 |
| 4.JG.35 | Burnsite | KCdCu2+7(SeO3)2O2Cl9 |
| 4.JG.40 | Allochalcoselite | Cu+PbCu2+5(SeO3)2Cl5O2 |
| 4.JG.45 | Nicksobolevite | Cu7(SeO3)2O2Cl6 |
| 4.JG.50 | Plumboselite | Pb3O2(SeO3) |
| 4.JG.55 | Sarrabusite | Pb5CuCl4(SeO3)4 |
Other Information
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 Chloromenite
mindat.org URL:
https://www.mindat.org/min-6869.html
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References for Chloromenite
Localities for Chloromenite
Showing 2 localities.
symbol to view information about a locality.
The 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 | |
| Mandarino (2003) |
| Pekov (1998) +1 other reference |
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Second scoria cone, Northern Breakthrough, Great Fissure eruption, Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia