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Kovalenkoite

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About KovalenkoiteHide

Formula:
(K,Sr,Ba)2Ca5Nb12[Si8O52(O,OH)] · 15H2O
Colour:
lilac
Lustre:
Vitreous
Crystal System:
Tetragonal
Name:
In honour of academic Vyacheslav Ivanovich Kovalenko (1936-2011)ю
Fine-disperse mixture with quartz in pseudomorphoses after unknown protomineral.


Classification of KovalenkoiteHide

Notes:
Unnamed (probably valid)
Approval History:
Unnamed, but probably valid.

Physical Properties of KovalenkoiteHide

Vitreous
Transparency:
Transparent
Colour:
lilac
Streak:
white

Chemical Properties of KovalenkoiteHide

Formula:
(K,Sr,Ba)2Ca5Nb12[Si8O52(O,OH)] · 15H2O

Crystallography of KovalenkoiteHide

Crystal System:
Tetragonal
Cell Parameters:
a = 3.684 Å, c = 6.012 Å
Ratio:
a:c = 1 : 1.632
Unit Cell V:
81.59 ų (Calculated from Unit Cell)

First Recorded Occurrence of KovalenkoiteHide

General Appearance of First Recorded Material:
Pseudomorphoses after unknown precursor
Geological Setting of First Recorded Material:
Pegmatites of alkaline granites.

Common AssociatesHide

Associated Minerals Based on Photo Data:
5 photos of Kovalenkoite associated with MongoliteCa4Nb6Si5O24(OH)10 · nH2O
3 photos of Kovalenkoite associated with QuartzSiO2

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for KovalenkoiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
- M.I.Novgorodova (redactor) (2006) Minerals of Mongolia,- Fersman Mineralogical Museum, Moscow, 2006, pp. 279-284 (in Rus.)

Internet Links for KovalenkoiteHide

Localities for KovalenkoiteHide

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

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Mongolia
 
  • Ömnögovi Province
    • Khanbogd District
Kynicky, J., Chakhmouradian, A. R., Xu, C., Krmicek, L., & Galiova, M. (2011). Distribution and evolution of zirconium mineralization in peralkaline granites and associated pegmatites of the Khan Bogd complex, southern Mongolia. The Canadian Mineralogist, 49(4), 947-965. Vladykin, N.V. (ed.) Deep-Seated Magmatism, its Sources and Plumes. Proceedings of the VI International Workshop, Irkutsk. Glazkovskaya Printing House, Irkutsk, Russia, 17-45. Kovalenko, V. I., Yarmoluyk, V. V. et al. 2006. Geology and age of Khan-Bogdinsky massif of alkaline granitoids in southern Mongolia. Kovalenko, V. I., Yarmoluyk, V. V., Sal’nikova, E. B., Kozlovsky, A. M., Kotov, A. B., Kovach, V. P., ... & Ponomarchuk, V. A. (2006). Geology, geochronology, and geodynamics of the Khan Bogd alkali granite pluton in southern Mongolia. Geotectonics, 40(6), 450-466. Gerel, O., Oyungerel, S., & Minjin, C., 2005. Intrusive Magmatism of South Mongolia. Amar-Amgalan, S., Gerel, O., Shigeru, I. & Garamjav, D. 2003. Preliminary results on petrological and geochemical study of the Khanbogd alkaline granite complex, South Mongolia. Mongolian Geoscientist, 21, 53-56. Seltmann, R., Gerel, O., & Kirwin, D. Geodynamics and Metallogeny of Mongolia with a special emphasis on copper and gold deposits. IAGOD guidebook series, 11. CERCAMS/Natural History Museum, London, 131-148.
M.I. Novgorodova ( red.)(2006) Minerals of Mongolia, - Fersman Mineralogical Museum, Moscow, p. 352 (in Rus.)
 
Mineral and/or Locality  
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