Oligonite
A variety of Siderite
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About Oligonite
Formula:
(Fe,Mn)CO3
Name:
From the Greek όλίγος, small, due to the lower specific gravity of this variety due to substituted Mn for Fe.
An unnecessary name for a manganoan variety of siderite, with up to 40% MnCO3 [Clark, 1993 - "Hey's Mineral Index"].
Unique Identifiers
Mindat ID:
2978 (as Oligonite)
3647 (as Siderite)
3647 (as Siderite)
Long-form identifier:
mindat:1:1:2978:6 (as Oligonite)
mindat:1:1:3647:0 (as Siderite)
mindat:1:1:3647:0 (as Siderite)
Similar Names
| Alleganyte | A synonym of Alleghanyite | Mn52+(SiO4)2(OH)2 |
| Allogonite | A synonym of Herderite | CaBePO4(F,OH) |
Chemistry of Oligonite
Mindat Formula:
(Fe,Mn)CO3
Element Weights:
Elements listed:
Synonyms of Oligonite
Other Language Names for Oligonite
Common Associates
Associations Based on Photo Data:
| 2 photos of Oligonite associated with Rhodochrosite | MnCO3 |
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 Oligonite
mindat.org URL:
https://www.mindat.org/min-2978.html
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References for Oligonite
Localities for Oligonite
Showing 21 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.
Czech Republic | |
| Prachař +6 other references |
Hungary | |
| Koch (1985) |
Iran | |
| Ghasemi Siani et al. (2022) |
Kosovo | |
| www.spathfluor.com (n.d.) |
| Kołodziejczyk et al. (2012) | |
Peru | |
| Regina Baumgartner et al. (2003) |
Poland | |
| Pieczka A. et al. (2004) |
Portugal | |
| Alves (n.d.) |
Russia | |
| Varentsov (1996) |
| Volkov et al. (2016) |
| Dobrovol’skaya et al. (2008) |
| Ivashchenko et al. (2018, June) |
| Sokol et al. (2021) |
| Sokol et al. (2021) |
| Kasatkin et al. (2014) |
Slovakia | |
| Koděra (1986) |
| Koděra (1986) |
| Koděra (1986) |
| Duda et. all. |
Ukraine | |
| Sokol et al. (2018) |
USA | |
| AmMin 19:304 |
Fonte da Cal Mine, Bendada Mines, Bendada, Sabugal, Guarda, Portugal