Monteponite
A valid IMA mineral species - grandfathered
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About Monteponite
Formula:
CdO
Colour:
Yellow-brown, red-brown, brown-black, black (lustrous)
Lustre:
Adamantine
Hardness:
3
Specific Gravity:
8.1 - 8.2
Crystal System:
Isometric
Name:
Named for the type locality of the Monteponi Mine, Iglesias, Iglesiente District, Sardinia, Italy.
This page provides mineralogical data about Monteponite.
Unique Identifiers
Mindat ID:
2764
Long-form identifier:
mindat:1:1:2764:5
IMA Classification of Monteponite
Approved, 'Grandfathered' (first described prior to 1959)
IMA Formula:
Cd2+O
First published:
1901
Classification of Monteponite
4.AB.25
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
A : Metal: Oxygen = 2:1 and 1:1
B : M:O = 1:1 (and up to 1:1.25); with small to medium-sized cations only
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
A : Metal: Oxygen = 2:1 and 1:1
B : M:O = 1:1 (and up to 1:1.25); with small to medium-sized cations only
4.2.1.4
4 : SIMPLE OXIDES
2 : AX
4 : SIMPLE OXIDES
2 : AX
7.5.11
7 : Oxides and Hydroxides
5 : Oxides of Zn, Cd and Hg
7 : Oxides and Hydroxides
5 : Oxides of Zn, Cd and Hg
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 |
|---|---|---|
| Mtp | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Pronunciation of Monteponite
Pronunciation:
| Play | Recorded by | Country |
|---|---|---|
| Jolyon Ralph | United Kingdom |
Physical Properties of Monteponite
Adamantine
Transparency:
Transparent
Colour:
Yellow-brown, red-brown, brown-black, black (lustrous)
Hardness:
3 on Mohs scale
Cleavage:
Distinct/Good
{111} (?) (artificial crystals)
{111} (?) (artificial crystals)
Density:
8.1 - 8.2 g/cm3 (Measured) 8.21 g/cm3 (Calculated)
Chemistry of Monteponite
Mindat Formula:
CdO
Elements listed:
Crystallography of Monteponite
Crystal System:
Isometric
Class (H-M):
m3m(4/m32/m) - Hexoctahedral
Space Group:
Fm3m
Cell Parameters:
a = 4.69 Å
Unit Cell V:
103.16 ų (Calculated from Unit Cell)
Morphology:
Octahedral, sometimes with modifying cube. Pulverulent.
Twinning:
Penetration twins observed (law unknown).
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) |
|---|---|---|---|---|---|---|---|
| 0008267 | Monteponite | Zhang J (1999) Room temperature compressibilities of MnO and CdO: further examination of the role of cation type in bulk modulus systematics Physics and Chemistry of Minerals 26 644-648 | 1999 | 0 | 293 | ||
| 0008266 | Monteponite | Zhang J (1999) Room temperature compressibilities of MnO and CdO: further examination of the role of cation type in bulk modulus systematics Physics and Chemistry of Minerals 26 644-648 | 1999 | 0 | 293 | ||
| 0008254 | Monteponite | Zhang J (1999) Room temperature compressibilities of MnO and CdO: further examination of the role of cation type in bulk modulus systematics Physics and Chemistry of Minerals 26 644-648 | 1999 | 0 | 293 | ||
| 0008253 | Monteponite | Zhang J (1999) Room temperature compressibilities of MnO and CdO: further examination of the role of cation type in bulk modulus systematics Physics and Chemistry of Minerals 26 644-648 | 1999 | 0 | 293 | ||
| 0011287 | Monteponite | Wyckoff R W G (1963) Second edition. Interscience Publishers, New York, New York rocksalt structure Crystal Structures 1 85-237 | 1963 | 0 | 293 | ||
| 0017991 | Monteponite | Natta G, Passerini L (1929) Soluzioni solide, isomorfismo e simmorfismo tra gli ossidi dei metalli bivalenti. - 1. Sistemi: CaO-CdO, CaO-MnO, CaO-CoO, CaO-NiO, CaO-MgO. _cod_database_code 1011096 Gazzetta Chimica Italiana 59 129-143 | 1929 | 0 | 293 | ||
| 0017918 | Monteponite | Walmsley H (1928) The Structure of the Smoke Particles From a Cadmium Arc _cod_database_code 1011003 Proceedings of the Physical Society of London 40 7-13 | 1928 | 0 | 293 | ||
| 0017952 | Monteponite | Scherrer P (1922) Das Raumgitter des Kadmiumoxyds. _cod_database_code 1011051 Zeitschrift fur Kristallographie 57 186-189 | 1922 | 0 | 293 | ||
| 0008255 | Monteponite | Zhang J (1999) Room temperature compressibilities of MnO and CdO: further examination of the role of cation type in bulk modulus systematics Physics and Chemistry of Minerals 26 644-648 | 1999 | 0.68 | 293 | ||
| 0008268 | Monteponite | Zhang J (1999) Room temperature compressibilities of MnO and CdO: further examination of the role of cation type in bulk modulus systematics Physics and Chemistry of Minerals 26 644-648 | 1999 | 1.25 | 293 | ||
| 0008256 | Monteponite | Zhang J (1999) Room temperature compressibilities of MnO and CdO: further examination of the role of cation type in bulk modulus systematics Physics and Chemistry of Minerals 26 644-648 | 1999 | 1.43 | 293 | ||
| 0008257 | Monteponite | Zhang J (1999) Room temperature compressibilities of MnO and CdO: further examination of the role of cation type in bulk modulus systematics Physics and Chemistry of Minerals 26 644-648 | 1999 | 2.16 | 293 | ||
| 0008269 | Monteponite | Zhang J (1999) Room temperature compressibilities of MnO and CdO: further examination of the role of cation type in bulk modulus systematics Physics and Chemistry of Minerals 26 644-648 | 1999 | 2.56 | 293 | ||
| 0008258 | Monteponite | Zhang J (1999) Room temperature compressibilities of MnO and CdO: further examination of the role of cation type in bulk modulus systematics Physics and Chemistry of Minerals 26 644-648 | 1999 | 3.09 | 293 | ||
| 0008270 | Monteponite | Zhang J (1999) Room temperature compressibilities of MnO and CdO: further examination of the role of cation type in bulk modulus systematics Physics and Chemistry of Minerals 26 644-648 | 1999 | 3.59 | 293 | ||
| 0008259 | Monteponite | Zhang J (1999) Room temperature compressibilities of MnO and CdO: further examination of the role of cation type in bulk modulus systematics Physics and Chemistry of Minerals 26 644-648 | 1999 | 3.73 | 293 | ||
| 0008260 | Monteponite | Zhang J (1999) Room temperature compressibilities of MnO and CdO: further examination of the role of cation type in bulk modulus systematics Physics and Chemistry of Minerals 26 644-648 | 1999 | 4.46 | 293 | ||
| 0008271 | Monteponite | Zhang J (1999) Room temperature compressibilities of MnO and CdO: further examination of the role of cation type in bulk modulus systematics Physics and Chemistry of Minerals 26 644-648 | 1999 | 4.52 | 293 | ||
| 0008272 | Monteponite | Zhang J (1999) Room temperature compressibilities of MnO and CdO: further examination of the role of cation type in bulk modulus systematics Physics and Chemistry of Minerals 26 644-648 | 1999 | 5.3 | 293 | ||
| 0008261 | Monteponite | Zhang J (1999) Room temperature compressibilities of MnO and CdO: further examination of the role of cation type in bulk modulus systematics Physics and Chemistry of Minerals 26 644-648 | 1999 | 5.41 | 293 | ||
| 0008273 | Monteponite | Zhang J (1999) Room temperature compressibilities of MnO and CdO: further examination of the role of cation type in bulk modulus systematics Physics and Chemistry of Minerals 26 644-648 | 1999 | 6.01 | 293 | ||
| 0008262 | Monteponite | Zhang J (1999) Room temperature compressibilities of MnO and CdO: further examination of the role of cation type in bulk modulus systematics Physics and Chemistry of Minerals 26 644-648 | 1999 | 6.17 | 293 | ||
| 0008263 | Monteponite | Zhang J (1999) Room temperature compressibilities of MnO and CdO: further examination of the role of cation type in bulk modulus systematics Physics and Chemistry of Minerals 26 644-648 | 1999 | 6.73 | 293 | ||
| 0008264 | Monteponite | Zhang J (1999) Room temperature compressibilities of MnO and CdO: further examination of the role of cation type in bulk modulus systematics Physics and Chemistry of Minerals 26 644-648 | 1999 | 7.27 | 293 | ||
| 0008274 | Monteponite | Zhang J (1999) Room temperature compressibilities of MnO and CdO: further examination of the role of cation type in bulk modulus systematics Physics and Chemistry of Minerals 26 644-648 | 1999 | 7.8 | 293 | ||
| 0008265 | Monteponite | Zhang J (1999) Room temperature compressibilities of MnO and CdO: further examination of the role of cation type in bulk modulus systematics Physics and Chemistry of Minerals 26 644-648 | 1999 | 8.09 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 2.712 Å | (100) |
| 2.349 Å | (88) |
| 1.661 Å | (43) |
| 1.416 Å | (28) |
| 1.355 Å | (13) |
| 1.0499 Å | (13) |
| 0.9584 Å | (11) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 7: Great Oxidation Event | <2.4 |
| 45b : [Other oxidized fumarolic minerals] | |
| 47h : [Near-surface oxidized, dehydrated minerals] | |
| Stage 10b: Anthropogenic minerals | <10 Ka |
| 55 : Anthropogenic mine minerals |
Type Occurrence of Monteponite
General Appearance of Type Material:
Formed a black coating over “calamine”. Under magnification, the coating was composed of sharp octahedrons to < 0.5 mm on edge.
Synonyms of Monteponite
Other Language Names for Monteponite
Dutch:Monteponiet
German:Monteponit
Genaruttit
Genaruttit
Russian:Монтепонит
Simplified Chinese:方镉矿
Spanish:Genaruttita
Monteponita
Monteponita
Relationship of Monteponite to other Species
Forms a series with:
Common Associates
Associations Based on Photo Data:
| 6 photos of Monteponite associated with Smithsonite | ZnCO3 |
| 1 photo of Monteponite associated with Hemimorphite | Zn4Si2O7(OH)2 · H2O |
Related Minerals - Strunz-mindat Grouping
| 4.AB. | 'Carbon Monoxide Ice' | CO |
| 4.AB.05 | Crednerite | Cu+Mn3+O2 |
| 4.AB.10 | Tenorite | CuO |
| 4.AB.15 | Mcconnellite | CuCrO2 |
| 4.AB.15 | Delafossite | Cu+Fe3+O2 |
| 4.AB.20 | Bromellite | BeO |
| 4.AB.20 | Zincite | ZnO |
| 4.AB.25 | Bunsenite | NiO |
| 4.AB.25 | Periclase | MgO |
| 4.AB.25 | Lime | CaO |
| 4.AB.25 | Manganosite | MnO |
| 4.AB.25 | Wüstite | FeO |
| 4.AB.30 | Palladinite | PdO |
| 4.AB.35 | 'Hongquiite' | TiO |
Other Information
Notes:
Readily soluble in HCl.
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 Monteponite
mindat.org URL:
https://www.mindat.org/min-2764.html
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References for Monteponite
Reference List:
Khoury, Hani N., Sokol, Ella V., Kokh, Svetlana N., Seryotkin, Yurii V., Kozmenko, Olga A., Goryainov, Sergey V., Clark, Ian D. (2016) Intermediate members of the lime-monteponite solid solutions (Ca1−xCdxO, x = 0.36–0.55): Discovery in natural occurrence. American Mineralogist, 101 (1). 146-160 doi:10.2138/am-2016-5361
Localities for Monteponite
Showing 6 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.
China | |
| Lin Ye and Tiegeng Liu (2001) +1 other reference |
Greece | |
| 90. +2 other references |
Italy (TL) | |
| Fairbanks et al. (1988) |
Jordan | |
| Galuskina et al. (2021) |
Russia | |
| M.I. Novgorodova |
| maurice.strahlen.org (2004) |
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