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Natrokomarovite

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00038520017271925482444.jpg
Natrokomarovite

Kirovskii apatite mine, Kukisvumchorr Mt, Murmansk Oblast, Russia
00038520017271925482444.jpg
Natrokomarovite

Kirovskii apatite mine, Kukisvumchorr Mt, Murmansk Oblast, Russia
06070220017271925503050.jpg
Natrokomarovite

Kirovskii apatite mine, Kukisvumchorr Mt, Murmansk Oblast, Russia
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About NatrokomaroviteHide

Formula:
(Na,Ca,H)2Nb2Si2O10(OH,F)2 · H2O
Colour:
Translucent white
Hardness:
4
Crystal System:
Orthorhombic
Name:
Ex "sodium-komarovite"; ex "Na-komarovite" discredited as silicified pyrochlore by Krivokoneva et al. (1979); revalidation by Pekov et al. (2004) not approved.
An apparent Na analogue of komarovite.


Unique IdentifiersHide

Mindat ID:
2946
Long-form identifier:
mindat:1:1:2946:5

Classification of NatrokomaroviteHide

Strunz-mindat (2026):
9.CE.45

9 : SILICATES (Germanates)
C : Cyclosilicates
E : [Si4O12]8- 4-membered single rings (vierer-Einfachringe), without insular complex anions
Dana 8th ed.:
56.2.4.13

56 : SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
2 : Si2O7 Groups and O, OH, F, and H2O with cations in [4] and/or >[4] coordination
Hey's CIM Ref.:
17.8.9

17 : Silicates Containing other Anions
8 : Silicates with niobate or tantalate

Physical Properties of NatrokomaroviteHide

Colour:
Translucent white
Hardness:
4 on Mohs scale

Chemistry of NatrokomaroviteHide

Mindat Formula:
(Na,Ca,H)2Nb2Si2O10(OH,F)2 · H2O
Element Weights:
Element% weight
O41.600 %
Nb37.164 %
Si11.235 %
Na9.196 %
H0.806 %

Calculated from ideal end-member formula.
Elements listed:
Ca, F, H, Na, Nb, O, Si - search for minerals with similar chemistry

Crystallography of NatrokomaroviteHide

Crystal System:
Orthorhombic

First Recorded Occurrence of NatrokomaroviteHide

Synonyms of NatrokomaroviteHide

Other Language Names for NatrokomaroviteHide

Related Minerals - Strunz-mindat GroupingHide

9.CE.Dutkevichite-(Ce)NaZnBa2Ce2Ti2Si8O26F · H2OOrth. mm2 : Ama2
9.CE.KataniteBa3NbFe3Si2O14Trig. 32 : P321
9.CE.NiobobaotiteBa4(Ti2.5Fe2+1.5)Nb4Si4O28ClTet. 4/m : I41/a
9.CE.AmaterasuiteSr4Ti6Si4O23(OH)ClOrth. mmm(2/m2/m2/m) : Fddd
9.CE.SteiningeriteBa2Zr2(Si4O12)O2Tet. 4/mmm(4/m2/m2/m) : P4/mbm
9.CE.05PapagoiteCaCu[H3AlSi2O9]Mon. 2/m : B2/m
9.CE.10VerplanckiteBa4Mn2+2Si4O12(OH,H2O)3Cl3Hex. 6/mmm(6/m2/m2/m) : P6/mmm
9.CE.15BaotiteBa4(Ti,Nb,W)8O16(SiO3)4ClTet. 4/m : I41/a
9.CE.20NagashimaliteBa4(V,Ti)4B2Si8O27(O,OH)2ClOrth. mmm(2/m2/m2/m) : Pmmn
9.CE.20TaramelliteBa4(Fe3+,Ti,Fe2+,Mg)4(B2Si8O27)O2ClxOrth. mmm(2/m2/m2/m) : Pmmn
9.CE.20TitantaramelliteBa4(Ti,Fe3+,Fe2+,Mg)4(B2Si8O27)O2ClxOrth. mmm(2/m2/m2/m)
9.CE.25Bario-orthojoaquinite(Ba,Sr)4Fe2Ti2[Si4O12]2O2 · H2OOrth.
9.CE.25Byelorussite-(Ce)NaBa2Ce2MnTi2[Si4O12]2O2(F,OH) · H2OOrth. mm2 : Ama2
9.CE.25Joaquinite-(Ce)NaBa2Ce2FeTi2[Si4O12]2O2(OH,F) · H2OMon. 2 : B2
9.CE.25Orthojoaquinite-(La)NaBa2La2Fe2+Ti2[Si4O12]2O2(O,OH) · H2OOrth. mmm(2/m2/m2/m)
9.CE.25StrontiojoaquiniteSr2Ba2(Na,Fe)2Ti2[Si4O12]2O2(O,OH)2 · H2OMon.
9.CE.25Orthojoaquinite-(Ce)NaBa2Ce2FeTi2[Si4O12]2O2(O,OH) · H2OOrth.
9.CE.25Strontio-orthojoaquinite(Na,Fe)2Sr2Ba2Ti2[Si4O12]2O2(O,OH)2 · H2OOrth.
9.CE.30eLabuntsovite-MnNa4K4(Ba,K)2Mn2+(Ti,Nb)8(Si4O12)4(O,OH)8 · 10-12H2OMon. 2/m : B2/m
9.CE.30bTsepinite-NaNa2(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2OMon. m : Bm
9.CE.30cGjerdingenite-NaK2Na(Nb,Ti)4(Si4O12)2(OH,O)4 · 5H2OMon. 2/m : B2/m
9.CE.30hAlsakharovite-ZnNaSrKZn(Ti,Nb)4(Si4O12)2(O,OH)4 · 7H2OMon. m : Bm
9.CE.30cBurovaite-Ca(Na,K)4Ca2(Ti,Nb)8(Si4O12)4(OH,O)8 · 12H2OMon. 2/m : B2/m
9.CE.30aNenadkevichite(Na,◻)8Nb4(Si4O12)2(O,OH)4 · 8H2OOrth. mmm(2/m2/m2/m) : Pbam
9.CE.30bTsepinite-SrSr(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2OMon. m : Bm
9.CE.30cGjerdingenite-MnK2Mn2+(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2OMon. 2/m : B2/m
9.CE.30bParatsepinite-Na(Na,Sr,K,Ca)7(Ti,Nb)8(Si4O12)4(O,OH)8 · nH2O n ~ 8Mon. 2/m : B2/m
9.CE.30dLemmleinite-KK2(Ti,Nb)2(Si4O12)(OH,O)2 · 4H2OOrth.
9.CE.30cKarupmøllerite-Ca(Na,Ca,K)2Ca(Nb,Ti)4(Si4O12)2(O,OH)4 · 7H2OMon. 2/m : B2/m
9.CE.30cLepkhenelmite-Zn(Ba,K)2Zn(Ti,Nb)4(Si4O12)2(O,OH)4 · 7H2OMon. m : Bm
9.CE.30hGutkovaite-MnK2CaMn(Ti,Nb)4(Si4O12)2(O,OH)4 · 5H2OMon. m : Bm
9.CE.30eLabuntsovite-MgNa4K4(Ba,K)2Mg(Ti,Nb)8(Si4O12)4(O,OH)8 · 10H2OMon. 2/m : B2/m
9.CE.30eLabuntsovite-FeNa4K4(Ba,K)2Fe2+(Ti,Nb)8(Si4O12)4(O,OH)8 · 10H2OMon. 2/m : B2/m
9.CE.30cKuzmenkoite-ZnK2Zn(Ti,Nb)4(Si4O12)2(OH,O)4 · 6-8H2OMon. m : Bm
9.CE.30fParalabuntsovite-MgNa8K8Mg4Ti16(Si4O12)8(OH,O)16 · 20-24H2OMon. 2/m : B2/m
9.CE.30dLemmleinite-BaNa2K2Ba(Ti,Nb)4(Si4O12)2(O,OH)4 · 5H2OMon. 2/m : B2/m
9.CE.30gOrganovaite-MnK2Mn(Nb,Ti)4(Si4O12)2(O,OH)4 · 5-7H2OMon. 2/m : B2/m
9.CE.30gOrganovaite-ZnK2Zn(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2OMon. 2/m : B2/m
9.CE.30bVuoriyarvite-KK2(Nb,Ti)2(Si4O12)(O,OH)2 · 4H2OMon. m : Bm
9.CE.30cGjerdingenite-FeK2Fe2+(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2OMon. 2/m : B2/m
9.CE.30a'Unnamed (Ca-Na-ordered analogue of Korobitsynite)'(Ca,Na)2(Ti,Nb)2(Si4O12)(OH,O)2 · 3-4H2OOrth. 222 : P21212
9.CE.30gParakuzmenkoite-Fe(K,Ba)4Fe(Ti,Nb)8(Si4O12)4(O,OH)8 · 14H2OMon. 2/m : B2/m
9.CE.30aKorobitsynite(Na,◻)4Ti2(Si4O12)(O,OH)2 · 4H2OOrth. mmm(2/m2/m2/m) : Pbam
9.CE.30cKuzmenkoite-MnK2Mn2+(Ti,Nb)4(Si4O12)2(OH,O)4 · 5-6H2OMon. 2/m : B2/m
9.CE.30bTsepinite-KK2(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2OMon. m : Bm
9.CE.30bParatsepinite-BaBa4(Ti,Nb)8(Si4O12)4(OH,O)8 · 8H2OMon. 2/m : B2/m
9.CE.30hNeskevaaraite-FeK3Na2Fe2+(Ti,Nb)4(Si4O12)2(O,OH)4 · 5-6 H2OMon. m : Bm
9.CE.30cGjerdingenite-CaK2Ca(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2OMon. 2/m : B2/m
9.CE.30bTsepinite-Ca(Ca,K,Na)2-x(Ti,Nb)2(Si4O12)(OH,O)2 · 4H2OMon. 2/m : B2/m
9.CE.45Komarovite(Ca,Mn)(Nb,Ti)2[Si2O7](O,F)3 · 3.5H2OOrth. mmm(2/m2/m2/m) : Cmmm

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 NatrokomaroviteHide

References for NatrokomaroviteHide

Localities for NatrokomaroviteHide

Showing 5 localities.

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.
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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.
Greenland
 
  • Kujalleq
Petersen (2001) +1 other reference
Petersen et al. (2002)
Petersen et al. (2002)
Russia
 
  • Murmansk Oblast
Pekov et al. (2004)
Pekov et al. (2004)
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