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About ChkaloviteHide

Valery Pavlovich Chkalov
Specific Gravity:
Crystal System:
Named in 1939 by Vasilii Ivanovich Gerasimovsky in honor of Valery Pavlovich Chkalov (Валерия Павловича Чкалова) (20 January (2 February) 1904, Vasiljevo, Balakhninsky district, Nizhny Novgorod province, Russian empire - 15 December 1938, Moscow, USSR), Russian aviator and test pilot. He was the first pilot to make a non-stop flight from Moscow to the USA via the North Pole.
This page provides mineralogical data about Chkalovite.

Classification of ChkaloviteHide

Approved, 'Grandfathered' (first described prior to 1959)

9 : SILICATES (Germanates)
D : Inosilicates
M : Inosilicates with 6-periodic single chains

65 : INOSILICATES Single-Width,Unbranched Chains,(W=1)
5 : Single-Width Unbranched Chains, W=1 with chains P=6

14 : Silicates not Containing Aluminum
3 : Silicates of Be

Physical Properties of ChkaloviteHide

Transparent, Translucent
Fair in one direction, indistinct in two other directions
Irregular/Uneven, Conchoidal
2.662 g/cm3 (Measured)    2.70 g/cm3 (Calculated)

Optical Data of ChkaloviteHide

Biaxial (+)
RI values:
nα = 1.544 nβ = 1.546 nγ = 1.549
Measured: 78° , Calculated: 80°
Max Birefringence:
δ = 0.005
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:

Chemical Properties of ChkaloviteHide

Common Impurities:

Crystallography of ChkaloviteHide

Crystal System:
Class (H-M):
mm2 - Pyramidal
Space Group:
Cell Parameters:
a = 21.129 Å, b = 6.881 Å, c = 21.185 Å
a:b:c = 3.071 : 1 : 3.079
Unit Cell V:
3,080.06 ų (Calculated from Unit Cell)
Complex equant crystals, massive

Type Occurrence of ChkaloviteHide

Geological Setting of Type Material:
Pegmatite in alkalic massif

Other Language Names for ChkaloviteHide

Simplified Chinese:硅铍钠石
Traditional Chinese:矽鈹鈉石

Common AssociatesHide

Associated Minerals Based on Photo Data:
Tugtupite30 photos of Chkalovite associated with Tugtupite on mindat.org.
Ussingite27 photos of Chkalovite associated with Ussingite on mindat.org.
Serandite13 photos of Chkalovite associated with Serandite on mindat.org.
Analcime11 photos of Chkalovite associated with Analcime on mindat.org.
Vuonnemite9 photos of Chkalovite associated with Vuonnemite on mindat.org.
Polylithionite8 photos of Chkalovite associated with Polylithionite on mindat.org.
Sodalite8 photos of Chkalovite associated with Sodalite on mindat.org.
Cleiophane7 photos of Chkalovite associated with Cleiophane on mindat.org.
Umbozerite7 photos of Chkalovite associated with Umbozerite on mindat.org.
Aegirine4 photos of Chkalovite associated with Aegirine on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.DM.05StokesiteCaSn[Si3O9] · 2H2OOrth. mmm (2/m 2/m 2/m) : Pnna
9.DM.10CalciohilairiteCaZr[SiO3]3 · 3H2OTrig.
9.DM.10HilairiteNa2Zr[SiO3]3 · 3H2OTrig.
9.DM.10KomkoviteBaZr[Si3O9] · 3H2OTrig.
9.DM.10Sazykinaite-(Y)Na5YZr[SiO3]6 · 6H2O
9.DM.10Pyatenkoite-(Y)Na5YTi[SiO3]6 · 6H2OTrig.
9.DM.15GaidonnayiteNa2Zr(Si3O9) · 2H2OOrth. mmm (2/m 2/m 2/m) : Pmna
9.DM.15GeorgechaoiteNaKZr[Si3O9] · 2H2OOrth. mm2
9.DM.25VlasoviteNa2ZrSi4O11Mon. 2/m : B2/b
9.DM.30RevditeNa16Si16O27(OH)26 · 28H2OMon. 2 : B2
9.DM.35ScheuchzeriteNa(Mn,Mg,Zn)9[VSi9O28(OH)](OH)3Tric. 1 : P1
9.DM.40TerskiteNa4ZrSi6O16 · 2H2OOrth.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

14.3.1PhenakiteBe2SiO4Trig. 3 : R3
14.3.2BertranditeBe4(Si2O7)(OH)2Orth. mm2 : Cmc21
14.3.3BerylliteBe3(SiO4)(OH)2 · H2OOrth.
14.3.4LiberiteLi2BeSiO4Mon. m : Pm
14.3.6EudidymiteNa2Be2Si6O15 · H2OMon. 2/m : B2/b
14.3.7EpididymiteNa2Be2Si6O15 · H2OOrth. mmm (2/m 2/m 2/m) : Pnma
14.3.10Semenovite-(Ce)Na8Ca2FeBe6Ce2Si14O40(OH)4F4Orth. mmm (2/m 2/m 2/m)
14.3.12Hingganite-(Ce)(Ce,REE)2(□,Fe2+)Be2[SiO4]2(OH)2Mon. 2/m : P21/b
14.3.14Hingganite-(Y)(Y,REE,Ca)2(□,Fe2+)Be2[SiO4]2(OH)2Mon. 2/m : P21/b
14.3.15Minasgeraisite-(Y)BiCa(Y,Ln)2(□,Mn)2(Be,B,Si)4Si4O16 [(OH),O]4Tric. 1 : P1
14.3.16SørenseniteNa4SnBe2Si6O16(OH)4Mon. 2/m : B2/b
14.3.17TrimeriteCaMn2+2Be3(SiO4)3Mon. 2/m : P21/m
14.3.18ChiavenniteCaMnBe2Si5O13(OH)2 · 2H2OMon. 2/m : P21/b
14.3.19Tvedalite(Ca,Mn)4Be3Si6O17(OH)4 · 3H2OOrth.
14.3.21SverigeiteNaMnMgSnBe2(SiO4)3(OH)Orth. mmm (2/m 2/m 2/m) : Imma
14.3.23Gadolinite-(Y)Y2Fe2+Be2Si2O10Mon. 2/m : P21/b
14.3.24Gadolinite-(Ce)(Ce,La,Nd,Y)2Fe2+Be2Si2O10Mon. 2/m

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 ChkaloviteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Gerasimovskii, V.I. (1939) Chkalovite. Doklady Akademii Nauk SSSR: 22: 259-263. English abstract: American Mineralogist: 25: 380.
Pyatenko, Y.A., Bokii, G.B., Belov, N.V. (1956) The X-ray analysis of the crystal structure of chkalovite, Doklady Akademii Nauk SSSR: 108: 1077-1080. (in Russian).
Simonov, M.A., Egorov, Y.K., Belov, N.V. (1975) Refined crystal structure of chkalovite Na2Be(Si2O6). Doklady Akademii Nauk SSSR: 225: 1319-1322. (in Russian);
English version Soviet Physics – Doklady: 20: 805-807.

Internet Links for ChkaloviteHide

Localities for ChkaloviteHide

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.
  • Québec
    • Montérégie
      • La Vallée-du-Richelieu RCM
        • Mont Saint-Hilaire
Horváth, L and Gault, R.A. (1990), The mineralogy of Mont Saint-Hilaire Quebec. Mineralogical Record: 21: 284-359.
  • Greenland
    • Kujalleq
      • Narsaq
Petersen, O.V. (2001): List of all minerals identified in the Ilímaussaq alkaline complex, South Greenland. Geology of Greenland Survey Bulletin. 190, 25-33
Neues Jahrbuch Min. Monatsh. 1 (2002), 23-30; Friis, H., Balic-Zunic, T, Pekov, I., Peterson, O. (2004): Kuannersuite-(Ce), a new member of the Apatite-group, from the Ilimaussaq alkaline complex, South Greenland, Canadian Mineralogist, Vol. 42, 95-106
Cole, M. (2003): Fluorescent Minerals of the Ilimaussaq Complex, Greenland, MinerShop 2003
            • Kvanefjeld Uranium deposit
Henning Sørensen and Lotte Melchior Larsen (2001) The hyper-agpaitic stage in the evolution of the Ilímaussaq alkaline complex, South Greenland. Geology of Greenland Survey Bulletin 190, 83–94
Metcalf-Johansen, J. (1977): Willemite from the Ilimaussaq alkaline Intrusion. Mineralogical Magazine. 41, 71-75
Petersen, O.V., Giester, G., Brandstätter, F., Niedermayr, G. (2002): Nabesite, a new mineral species from the Ilimaussaq alkaline complex. Canadian Mineralogist. 40, 173-181
          • Taseq area
            • Nakalak Mt (Nakalaq; Nakkaalaaq)
Semenov, E.I., Kazakova, M.E., Bukin, V.J. (1968): Ilimaussite, a new rare earth – niobium – barium silicate, from Ilimaussaq, South Greenland, Medd. Groenland, Vol. 181 (7), 3-7
Cole, M. (2003): Fluorescent Minerals of the Ilimaussaq Complex, Greenland, MinerShop 2003
          • Tunulliarfik Fjord (Tunugdliarfik)
Sørensen, H. (1962): On the occurrence of Steenstrupine in the Ilimaussaq massif, Southwest Greenland. Meddelelser om Grønland. 167 (1), 1-251
Andersen, E.K., Danø, M., and Peteresen, O.V. (1969): A tetragonal natrolite. Contribution to the mineralogy of Ilímaussaq, No 13. Meddelelser om Grønland, 181, (10), 1-19.; Sørensen, H. (1960) Beryllium minerals in a pegmatite in the nepheline syenites of Ilímaussaq, South West Greenland. International Geological Congress, Report, 21st Session, Norden. Part 17, 31 35. Abstract: American Mineralogist, 46, 241.
  • Murmansk Oblast
    • Khibiny Massif
      • Koashva Mt
Arzamastsev, A., Yakovenchuk, V., Pakhomovsky, Y., & Ivanyuk, G. (2008). The Khibina and Lovozero alkaline massifs: Geology and unique mineralization. In Guidbook for 33rd International Geological Congress Excursion (No. 47, p. 58).
[AmMin 87:181]; American Mineralogist, Volume 94, pages 1450–1458, 2009; Khomyakov, A. P., Nechelyustov, G. N., Sokolova, E., Bonaccorsi, E., Merlino, S., & Pasero, M. (2002). Megakalsilite, a new polymorph of KAlSiO4 from the Khibina alkaline massif, Kola peninsula, Russia: Mineral description and crystal structure. The Canadian Mineralogist, 40(3), 961-970.
    • Lovozero Massif
      • Alluaiv Mt
        • Umbozero mine (Umbozerskii mine; Umba Mine)
Lapis, 4/97, Ivanjuk et al.
Arzamastsev, A., Yakovenchuk, V., Pakhomovsky, Y., & Ivanyuk, G. (2008). The Khibina and Lovozero alkaline massifs: Geology and unique mineralization. In Guidbook for 33rd International Geological Congress Excursion (No. 47, p. 58).; Pakhomovsky, Y. A., Ivanyuk, G. Y., & Yakovenchuk, V. N. (2014). Loparite-(Ce) in rocks of the Lovozero layered complex at Mt. Karnasurt and Mt. Kedykvyrpakhk. Geology of Ore Deposits, 56(8), 685-698.
        • Second Eastern Stream (Kromka Stream)
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
      • Kedykverpakhk Mt
        • Karnasurt mine (Kedyk area)
I. V. Pekov, N. V. Chukanov, I. M. Kulikova, N. V. Zubkova, O. D. Krotova, N. I. Sorokina, D. Yu. Pushcharovsky: Proc. Russ. Min. Soc. 133(1):41-49 (2004)
DAN-SSSR,(1939) 22, 259-263; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Yakovenchuk, V. N., Ivanyuk, G. Y., Krivovichev, S. V., Pakhomovsky, Y. A., Selivanova, E. A., Korchak, J. A., ... & Zalkind, O. A. (2011). Eliseevite, Na1. 5Li [Ti2Si4O12. 5 (OH) 1.5]∙ 2H2O, a new microporous titanosilicate from the Lovozero alkaline massif (Kola Peninsula, Russia). American Mineralogist, 96(10), 1624-1629.
Ermolaeva, V.N., Pekov, I.V., Chukanov, N.V., Zadov, A.E. (2007): Geology of Ore Deposits 49(8), 758-775.
      • Sengischorr Mt
        • Motchisuai River Valley
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Mineral and/or Locality  
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