Igumnovite (original) (raw)
Valid as an unnamed mineral
Formula:
Ca3Al2[SiO4]2[◻Cl4]
A substance of anthropogenic origin (burning coal mine dump). Current IMA regulations do not allow such substances to be approved as valid mineral species.
The Cl analogue of hibschite.
Forms intergrowths with rhythmite.
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:32129:1
6a7022bd-b300-4ac1-bc2f-0498c7cb6486
IMA Classification of IgumnoviteHide
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IMA status notes:
Unnamed (probably valid)
Approval history:
Unnamed, but probably valid.
Classification of IgumnoviteHide
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9.HA.40
9 : SILICATES (Germanates)
H : Unclassified silicates
A : With Alkali and Alkali-earth Elements
Chemistry of IgumnoviteHide
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Mindat Formula:
Ca3Al2[SiO4]2[◻Cl4]
Crystallography of IgumnoviteHide
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Synonyms of IgumnoviteHide
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Related Minerals - Strunz-mindat GroupingHide
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| 9.HA. | Shinichengite | Ca5[BSi2O7(OH)2]2 · 6H2O | Tric. 1 : _P_1 |
|---|---|---|---|
| 9.HA. | Kalyuzhnyite-(Ce) | NaKCaSrCeTi(Si8O21)OF(H2O)3 | Mon. 2/m : _P_2/b |
| 9.HA. | Moragite | Ca3TiSi2(Al2Si)O14 | Trig. 32 : _P_321 |
| 9.HA.05 | Ertixiite | Na2Si4O9 | Iso. |
| 9.HA.10 | Kenyaite | Na2Si22O41(OH)8 · 6H2O | Mon. |
| 9.HA.20 | Wawayandaite | Ca6Mn2BBe9Si6O23(OH,Cl)15 | Mon. |
| 9.HA.25 | Magbasite | KBaFe3+Mg7Si8O22(OH)2F6 | Orth. m m m _(_2/_m_2/_m_2/m ) : C m m a |
| 9.HA.35 | Demagistrisite | BaCa2Mn3+4(Si3O10)(Si2O7)(OH)4 · 3H2O | Orth. m _m_2 : A m _m_2 |
| 9.HA.37 | Donwilhelmsite | CaAl4Si2O11 | Hex. 6/m m m _(_6/_m_2/_m_2/m ) : _P_63/m m c |
| 9.HA.40 | Kasatkinite | Ba2Ca8B5Si8O32(OH)3 · 6H2O | Mon. |
| 9.HA.42 | Paqueite | Ca3TiSi2(Al,Ti,Si)3O14 | Trig. 32 : _P_321 |
| 9.HA.42 | Qeltite | Ca3TiSi2(Fe3+2Si)O14 | Trig. 32 : _P_321 |
| 9.HA.45 | Rippite | K2(Nb,Ti)2(Si4O12)O(O,F) | Tet. |
| 9.HA.47 | Zagamiite | CaAl2Si3.5O11 | Hex. 6/m m m _(_6/_m_2/_m_2/m ) : _P_63/m m c |
| 9.HA.50 | Rudenkoite | Sr3(Al3.5Si3.5)O10(OH,O)8Cl2 · H2O | Mon. |
| 9.HA.50 | α-Carnegieite | NaAlSiO4 | |
| 9.HA.52 | Atheriastite | near Ca5MgFeAl6Si8O32 · 5H2O | |
| 9.HA.55 | Foshallasite | Ca3[Si2O7] · 3H2O(?) | |
| 9.HA.55 | Balvraidite | ||
| 9.HA.57 | Bhreckite | Ca, Mg, Fe, Si, O, H | |
| 9.HA.60 | Nagelschmidtite | Ca7(SiO4)2(PO4)2 | Hex. 6 : _P_61 |
| 9.HA.60 | Bravaisite | ||
| 9.HA.65 | Caryochroite | [Na(Sr0.5Ca0.5)Mg]3[Fe3+8Mn(Fe2+0.5◻0.5)]10(Ti2Si12O37)(OH)14(H2O)3 | Mon. 2/m |
| 9.HA.70 | Juanite | Ca10Mg4Al2Si11O39 · 4H2O or near | Orth. |
| 9.HA.75 | Tacharanite | Ca12Al2Si18O33 (OH)36 | Mon. |
| 9.HA.80 | Oyelite | Ca10Si8B2O29 · 12.5H2O | Tric. 1 : _P_1 |
| 9.HA.85 | Denisovite | K14+x(Ca,Na,Mn,Fe)48[Si60O162]F16(Ox,OH4-x) · 2H2O | Mon. |
| 9.HA.90 | Tiettaite | K4Na12Fe3+Si16O41(OH)4 · 2H2O | Orth. m m m _(_2/_m_2/_m_2/m ) : C m c m |
Other InformationHide
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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 IgumnoviteHide
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References for IgumnoviteHide
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Localities for IgumnoviteHide
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This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the 
symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
Locality ListHide
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- 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.
| Russia | |
|---|---|
| Chelyabinsk Oblast ⓘ Kopeysk | Cesnokov et al. (1998) |
| ⓘ Coal mine No. 45 | Pekov (1998) |
| ⓘ Mine dump | Exotic Minerals of Russia. +1 other reference |