Kovalenkoite
Valid as an unnamed mineral
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About Kovalenkoite
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).
First Recorded Locality:
Fine-disperse mixture with quartz in pseudomorphoses after unknown protomineral.
Unique Identifiers
Mindat ID:
42808
Long-form identifier:
mindat:1:1:42808:0
IMA Classification of Kovalenkoite
IMA status notes:
Unnamed (probably valid)
Approval history:
Unnamed, but probably valid.
Physical Properties of Kovalenkoite
Chemistry of Kovalenkoite
Mindat Formula:
(K,Sr,Ba)2Ca5Nb12[Si8O52(O,OH)] · 15H2O
Element Weights:
Crystallography of Kovalenkoite
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 Kovalenkoite
General Appearance of First Recorded Material:
Pseudomorphoses after unknown precursor
Geological Setting of First Recorded Material:
Pegmatites of alkaline granites.
Common Associates
Associations Based on Photo Data:
Radioactivity
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 Kovalenkoite
mindat.org URL:
https://www.mindat.org/min-42808.html
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References for Kovalenkoite
Localities for Kovalenkoite
Showing 2 localities.
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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.
Mongolia | |
| Vladykin (ed.) +7 other references |
| M.I. Novgorodova ( red.) |
Dorozhnyi pegmatite, Khan Bogd Peralkaline Granite, Khanbogd District, Ömnögovi Province, Mongolia