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Russian mineralogist Boris Valentinovich Chesnokov
Na2[SiO2(OH)2] · 8H2O
In honor of Russian mineralogist Boris Valentinovich Chesnokov (11 June 1928 - 25 October 2005).
Alters to Thermonatrite and Opal when left exposed to normal atmospheric humidity.

Classification of Chesnokovite

Approval Year:

9 : SILICATES (Germanates)
A : Nesosilicates
C : Nesosilicates without additional anions; cations in octahedral [6] coordination

Chemical Properties of Chesnokovite

Na2[SiO2(OH)2] · 8H2O
IMA Formula:
Na2SiO2(OH)2 · 8H2O
Elements listed in formula:

Crystallography of Chesnokovite

Crystal System:
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Cell Parameters:
a = 11.7119 Å, b = 16.973 Å, c = 11.5652 Å
a:b:c = 0.69 : 1 : 0.681
Unit Cell Volume:
V 2,299.00 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction Data:
5.001 (30)
4.788 (42)
3.847 (89)
2.932 (42)
2.832 (35)
2.800 (97)
2.774 (100)
2.035 (20)

Type Occurrence of Chesnokovite

General Appearance of Type Material:
colorless to pale brownish aggregates of small, coarsely lamellar crystals
Geological Setting of Type Material:
Ussingite vein
Associated Minerals at Type Locality:

Relationship of Chesnokovite to other Species


Other Names for Chesnokovite

Name in Other Languages:

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.

References for Chesnokovite

Reference List:
Pekov, I.V., Chukanov, N.V., Zadov, A.E., Zubkova, N.V., Pushcharovsky, D.Yu. (2007): Chesnokovite, Na2[SiO2(OH)2]•8H2O, the first natural sodium orthosilicate from the Lovozero alkaline massif, Kola Peninsula, Russia: description and crystal structure of a new mineral. Proceedings of the Russian Mineralogical Society (Zapiski RMO), 136(2), 25-39.

Internet Links for Chesnokovite URL:
Please feel free to link to this page.

Localities for Chesnokovite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Russia (TL)
  • Northern Region
    • Murmanskaja Oblast'
      • Kola Peninsula
        • Lovozero Massif
IMA website
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