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Kovalenkoite

Valid as an unnamed mineral
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06374730014947051763676.jpg
Kovalenkoite, etc.

Dorozhnyi pegmatite, Khan Bogd Peralkaline Granite, Khanbogd District, Ömnögovi Province, Mongolia
06374730014947051763676.jpg
Kovalenkoite, etc.

Dorozhnyi pegmatite, Khan Bogd Peralkaline Granite, Khanbogd District, Ömnögovi Province, Mongolia
06374730014947051763676.jpg
Kovalenkoite, etc.

Dorozhnyi pegmatite, Khan Bogd Peralkaline Granite, Khanbogd District, Ömnögovi Province, Mongolia
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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).
Fine-disperse mixture with quartz in pseudomorphoses after unknown protomineral.


Unique IdentifiersHide

Mindat ID:
42808
Long-form identifier:
mindat:1:1:42808:0
GUID
(UUID V4):
a22a2e33-f263-4d47-ba39-fdc15f3e5214

IMA Classification of KovalenkoiteHide

IMA status notes:
Unnamed (probably valid)
Approval history:
Unnamed, but probably valid.

Physical Properties of KovalenkoiteHide

Lustre:
Vitreous
Transparency:
Transparent
Colour:
lilac
Streak:
white

Chemistry of KovalenkoiteHide

Mindat Formula:
(K,Sr,Ba)2Ca5Nb12[Si8O52(O,OH)] · 15H2O
Elements listed:
Ba, Ca, H, K, Nb, O, Si, Sr - search for minerals with similar chemistry

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

First Recorded Locality:
ⓘ Dorozhnyi pegmatite, Khan Bogd Peralkaline Granite, Khanbogd District, Ömnögovi Province, Mongolia
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.

Internet Links for KovalenkoiteHide

References 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 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.
Mongolia
 
  • Ömnögovi Province
    • Khanbogd District
Vladykin (ed.) +8 other references
M.I. Novgorodova ( red.)
Quick NavTopAbout KovalenkoiteUnique IdentifiersIMA Classification Physical Properties Chemistry Crystallography First Recorded Occurrence Common AssociatesOther InformationInternet Links References Localities Locality List
 
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