Gjerdingenite-Na
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About Gjerdingenite-Na
Formula:
K2Na(Nb,Ti)4(Si4O12)2(OH,O)4 · 5H2O
Colour:
pinkish tan
Crystal System:
Monoclinic
Member of:
Name:
Named for the relationship to the other gjerdingenite species, and for the dominance of the sodium (Na) ion.
This page provides mineralogical data about Gjerdingenite-Na.
Classification of Gjerdingenite-Na
Approved
Approval Year:
2005
8/E.07-
9.CE.30c
9 : SILICATES (Germanates)
C : Cyclosilicates
E : [Si4O12]8- 4-membered single rings (vierer-Einfachringe), without insular complex anions
9 : SILICATES (Germanates)
C : Cyclosilicates
E : [Si4O12]8- 4-membered single rings (vierer-Einfachringe), without insular complex anions
Physical Properties of Gjerdingenite-Na
Colour:
pinkish tan
Chemical Properties of Gjerdingenite-Na
Formula:
K2Na(Nb,Ti)4(Si4O12)2(OH,O)4 · 5H2O
Crystallography of Gjerdingenite-Na
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/m
Cell Parameters:
a = 14.626 Å, b = 14.16 Å, c = 7.91 Å
β = 117.43°
β = 117.43°
Ratio:
a:b:c = 1.033 : 1 : 0.559
Unit Cell V:
1,454.02 ų (Calculated from Unit Cell)
Type Occurrence of Gjerdingenite-Na
General Appearance of Type Material:
pseudomorphs after vuonnemite , consisting of minute coarse grained crystals
Synonyms of Gjerdingenite-Na
Other Language Names for Gjerdingenite-Na
Russian:Гьердингенит-Na
Simplified Chinese:钠耶尔丁根石
Relationship of Gjerdingenite-Na to other Species
Member of:
Other Members of this group:
Burovaite-Ca | (Na,K)4Ca2(Ti,Nb)8(Si4O12)4(OH,O)8 · 12H2O | Mon. 2/m : B2/m |
Gjerdingenite-Ca | K2Ca(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2O | Mon. 2/m : B2/m |
Gjerdingenite-Fe | K2Fe2+(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2O | Mon. 2/m : B2/m |
Gjerdingenite-Mn | K2Mn2+(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2O | Mon. 2/m : B2/m |
Karupmøllerite-Ca | (Na,Ca,K)2Ca(Nb,Ti)4(Si4O12)2(O,OH)4 · 7H2O | Mon. 2/m : B2/m |
Kuzmenkoite-Mn | K2Mn2+(Ti,Nb)4(Si4O12)2(OH,O)4 · 5-6H2O | Mon. |
Kuzmenkoite-Zn | K2Zn(Ti,Nb)4(Si4O12)2(OH,O)4 · 6-8H2O | Mon. m : Bm |
Lepkhenelmite-Zn | (Ba,K)2Zn(Ti,Nb)4(Si4O12)2(O,OH)4 · 7H2O | Mon. m : Bm |
Common Associates
Associated Minerals Based on Photo Data:
Related Minerals - Nickel-Strunz Grouping
9.CE.05 | Papagoite | CaCu[H3AlSi2O9] | Mon. |
9.CE.10 | Verplanckite | Ba2(Mn,Fe,Ti)Si2O6(O,OH,Cl,F)2 · 3H2O or near | Hex. |
9.CE.15 | Baotite | Ba4Ti8Si4O28Cl | Tet. 4/m : I41/a |
9.CE.20 | Nagashimalite | Ba4(V,Ti)4B2Si8O27(O,OH)2Cl | Orth. mmm (2/m 2/m 2/m) : Pmmn |
9.CE.20 | Taramellite | Ba4(Fe3+,Ti,Fe2+,Mg)4(B2Si8O27)O2Clx | Orth. mmm (2/m 2/m 2/m) : Pmmn |
9.CE.20 | Titantaramellite | Ba4(Ti,Fe3+,Fe2+,Mg)4(B2Si8O27)O2Clx | Orth. |
9.CE.25 | Bario-orthojoaquinite | (Ba,Sr)4Fe2Ti2[Si4O12]2O2 · H2O | Orth. |
9.CE.25 | Byelorussite-(Ce) | NaBa2Ce2MnTi2[Si4O12]2O2(F,OH) · H2O | Orth. mm2 : Ama2 |
9.CE.25 | Joaquinite-(Ce) | NaBa2Ce2FeTi2[Si4O12]2O2(OH,F) · H2O | Mon. 2 : B2 |
9.CE.25 | Orthojoaquinite-(Ce) | NaBa2Ce2FeTi2[Si4O12]2O2(O,OH) · H2O | Orth. |
9.CE.25 | Strontiojoaquinite | Sr2Ba2(Na,Fe)2Ti2[Si4O12]2O2(O,OH)2 · H2O | Mon. |
9.CE.25 | Strontio-orthojoaquinite | (Na,Fe)2Sr2Ba2Ti2[Si4O12]2O2(O,OH)2 · H2O | Orth. |
9.CE.25 | Orthojoaquinite-(La) | NaBa2La2Fe2+Ti2[Si4O12]2O2(O,OH) · H2O | Orth. |
9.CE.30e | Labuntsovite-Mn | Na4K4(Ba,K)2Mn2+(Ti,Nb)8(Si4O12)4(O,OH)8 · 10-12H2O | Mon. 2/m : B2/m |
9.CE.30a | Nenadkevichite | (Na,◻)8Nb4(Si4O12)2(O,OH)4 · 8H2O | Orth. mmm (2/m 2/m 2/m) : Pbam |
9.CE.30d | Lemmleinite-K | K2(Ti,Nb)2(Si4O12)(OH,O)2 · 4H2O | Orth. |
9.CE.30a | Korobitsynite | Na2(Ti,Nb)2(Si4O12)(OH,O)2 · 3-4H2O | Orth. mmm (2/m 2/m 2/m) : Pbam |
9.CE.30c | Kuzmenkoite-Mn | K2Mn2+(Ti,Nb)4(Si4O12)2(OH,O)4 · 5-6H2O | Mon. |
9.CE.30b | Vuoriyarvite-K | K2(Nb,Ti)2(Si4O12)(O,OH)2 · 4H2O | Mon. |
9.CE.30b | Tsepinite-Na | Na2(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2O | Mon. |
9.CE.30c | Karupmøllerite-Ca | (Na,Ca,K)2Ca(Nb,Ti)4(Si4O12)2(O,OH)4 · 7H2O | Mon. 2/m : B2/m |
9.CE.30e | Labuntsovite-Mg | Na4K4(Ba,K)2Mg(Ti,Nb)8(Si4O12)4(O,OH)8 · 10H2O | Mon. |
9.CE.30e | Labuntsovite-Fe | Na4K4(Ba,K)2Fe2+(Ti,Nb)8(Si4O12)4(O,OH)8 · 10H2O | Mon. |
9.CE.30d | Lemmleinite-Ba | Na2K2Ba(Ti,Nb)4(Si4O12)2(O,OH)4 · 5H2O | Mon. 2/m : B2/m |
9.CE.30c | Gjerdingenite-Fe | K2Fe2+(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2O | Mon. 2/m : B2/m |
9.CE.30h | Neskevaaraite-Fe | K3Na2Fe2+(Ti,Nb)4(Si4O12)2(O,OH)4 · 5-6 H2O | Mon. m : Bm |
9.CE.30b | Tsepinite-K | K2(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2O | Mon. 2/m : B2/m |
9.CE.30b | Paratsepinite-Ba | Ba4(Ti,Nb)8(Si4O12)4(OH,O)8 · 8H2O | Mon. 2/m : B2/m |
9.CE.30b | Tsepinite-Ca | Ca(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2O | Mon. 2/m : B2/m |
9.CE.30h | Alsakharovite-Zn | NaSrKZn(Ti,Nb)4(Si4O12)2(O,OH)4 · 7H2O | Mon. m : Bm |
9.CE.30c | Gjerdingenite-Mn | K2Mn2+(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2O | Mon. 2/m : B2/m |
9.CE.30c | Lepkhenelmite-Zn | (Ba,K)2Zn(Ti,Nb)4(Si4O12)2(O,OH)4 · 7H2O | Mon. m : Bm |
9.CE.30b | Tsepinite-Sr | Sr(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2O | Mon. m : Bm |
9.CE.30b | Paratsepinite-Na | (Na,Sr,K,Ca)7(Ti,Nb)8(Si4O12)4(O,OH)8 · nH2O n ~ 8 | Mon. 2/m : B2/m |
9.CE.30f | Paralabuntsovite-Mg | Na8K8Mg4Ti16(Si4O12)8(OH,O)16 · 20-24H2O | Mon. 2/m |
9.CE.30c | Gjerdingenite-Ca | K2Ca(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2O | Mon. 2/m : B2/m |
9.CE.30h | Gutkovaite-Mn | K2CaMn(Ti,Nb)4(Si4O12)2(O,OH)4 · 5H2O | Mon. |
9.CE.30c | Kuzmenkoite-Zn | K2Zn(Ti,Nb)4(Si4O12)2(OH,O)4 · 6-8H2O | Mon. m : Bm |
9.CE.30g | Organovaite-Mn | K2Mn(Nb,Ti)4(Si4O12)2(O,OH)4 · 5-7H2O | Mon. 2/m : B2/m |
9.CE.30g | Organovaite-Zn | K2Zn(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2O | Mon. 2/m : B2/m |
9.CE.30g | Parakuzmenkoite-Fe | (K,Ba)4Fe(Ti,Nb)8(Si4O12)4(O,OH)8 · 14H2O | Mon. 2/m : B2/m |
9.CE.30c | Burovaite-Ca | (Na,K)4Ca2(Ti,Nb)8(Si4O12)4(OH,O)8 · 12H2O | Mon. 2/m : B2/m |
9.CE.45 | Komarovite | (Ca,Mn)(Nb,Ti)2[Si2O7](O,F)3 · 3.5H2O | Orth. |
9.CE.45 | Natrokomarovite | (Na,Ca,H)2Nb2Si2O10(OH,F)2 · H2O | Orth. |
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 Gjerdingenite-Na
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
PEKOV, I.V., CHUKANOV, N.V., YAMNOVA, N.A., ZADOV, A.E., and TARASSOFF, P. (2007): Gjerdingenite-Na and gjerdingenite-Ca, two new minerals species of the labuntsovite group. Canadian Mineralogist, 45, 529-539.
Yamnova, N. A.; Pekov, I. V.; Kabalov, Yu. K.; Chukanov, N. V.; Schneider, J. (2007): Crystal structures of gjerdingenite-Ca and gjerdingenite-Na, new minerals of the labuntsovite group. Doklady Chemistry 414, 109-114.
Internet Links for Gjerdingenite-Na
mindat.org URL:
https://www.mindat.org/min-28945.html
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External Links:
Mineral Dealers:
Localities for Gjerdingenite-Na
Locality List




All localities listed without proper references should be considered as questionable.
Canada (TL) | |
| PEKOV, I.V., CHUKANOV, N.V., YAMNOVA, N.A., ZADOV, A.E., and TARASSOFF, P. (2007) Gjerdingenite-Na and gjerdingenite-Ca, two new minerals species of the labuntsovite group. Canadian Mineralogist, 45, 529-539. |
Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada