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Zektzerite

This page kindly sponsored by John Kashuba
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About ZektzeriteHide

Formula:
LiNaZrSi6O15
Colour:
Colourless, pink (often zoned)
Lustre:
Vitreous
Hardness:
6
Crystal System:
Orthorhombic
Member of:
Name:
Named after Jack Zektzer (1936 - ), mineral collector of Seattle, Washington, USA, who presented the material for study.

Classification of ZektzeriteHide

Approved
Approval Year:
1976
9.DN.05

9 : SILICATES (Germanates)
D : Inosilicates
N : Inosilicates with 6-periodic double chains
66.3.4.2

66 : INOSILICATES Double-Width,Unbranched Chains,(W=2)
3 : Amphiboles - Ca-Na subgroup
14.10.3

14 : Silicates not Containing Aluminum
10 : Silicates of Zr or Hf

Physical Properties of ZektzeriteHide

Vitreous
Colour:
Colourless, pink (often zoned)
Hardness:

Optical Data of ZektzeriteHide

Type:
Biaxial (-)
RI values:
nα = 1.582 nβ = 1.584 nγ = 1.584
Max Birefringence:
δ = 0.002
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r < v moderate

Chemical Properties of ZektzeriteHide

Formula:
LiNaZrSi6O15
IMA Formula:
NaLiZrSi6O15
Common Impurities:
Ti,Hf

Crystallography of ZektzeriteHide

Crystal System:
Orthorhombic
Cell Parameters:
a = 14.3 Å, b = 17.33 Å, c = 10.14 Å
Ratio:
a:b:c = 0.825 : 1 : 0.585
Unit Cell V:
2,512.88 ų (Calculated from Unit Cell)

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0000638ZektzeriteGhose S, Wan C (1978) Zektzerite, NaLiZrSi6O15: a silicate with six-tetrahedral-repeat double chains near Washington Pass, North Cascades, Washington, USA American Mineralogist 63 304-3101978Miarolitic cavities of the Golden Horn batholith0293
CIF Raw Data - click here to close

Type Occurrence of ZektzeriteHide

Synonyms of ZektzeriteHide

Other Language Names for ZektzeriteHide

German:Zektzerit
Simplified Chinese:硅锆钠锂石
Spanish:Zektzerita
Traditional Chinese:矽鋯鈉鋰石

Relationship of Zektzerite to other SpeciesHide

Member of:
Other Members of this group:
EmeleusiteLi2Na4Fe2Si12O30Orth.
TuhualiteNaFe2+Fe3+Si6O15Orth.

Common AssociatesHide

Associated Minerals Based on Photo Data:
13 photos of Zektzerite associated with Arfvedsonite[Na][Na2][Fe2+4Fe3+]Si8O22(OH)2
9 photos of Zektzerite associated with MicroclineK(AlSi3O8)
5 photos of Zektzerite associated with AlbiteNa(AlSi3O8)
4 photos of Zektzerite associated with AstrophylliteK2NaFe2+7Ti2Si8O26(OH)4F
4 photos of Zektzerite associated with Feldspar Group
3 photos of Zektzerite associated with BafertisiteBa2Fe2+4Ti2(Si2O7)2O2(OH)2F2
3 photos of Zektzerite associated with Riebeckite◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2
2 photos of Zektzerite associated with HejtmaniteBa2(Mn2+,Fe2+)4Ti2(Si2O7)2O2(OH)2F2
1 photo of Zektzerite associated with Mica Group
1 photo of Zektzerite associated with SogdianiteKZr2Li3Si12O30

Related Minerals - Nickel-Strunz GroupingHide

9.DN.05EmeleusiteLi2Na4Fe2Si12O30Orth.
9.DN.05TuhualiteNaFe2+Fe3+Si6O15Orth.
9.DN.10Semenovite-(Ce)Na8Ca2FeBe6Ce2Si14O40(OH)4F4Orth. mmm (2/m 2/m 2/m)
9.DN.15Ashcroftine-(Y)K5Na5(Y,Ca)12Si28O70(OH)2(CO3)8 · 8H2OTet. 4/mmm (4/m 2/m 2/m) : I4/mmm

Related Minerals - Dana Grouping (8th Ed.)Hide

66.3.4.1TuhualiteNaFe2+Fe3+Si6O15Orth.
66.3.4.3EmeleusiteLi2Na4Fe2Si12O30Orth.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

14.10.1ZirconZr(SiO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
14.10.2HafnonHfSiO4Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
14.10.4ParakeldyshiteNa2ZrSi2O7Tric.
14.10.5VlasoviteNa2ZrSi4O11Mon. 2/m : B2/b
14.10.6Keldyshite(Na,H)2ZrSi2O7Tric. 1 : P1
14.10.7GaidonnayiteNa2Zr(Si3O9) · 2H2OOrth. mmm (2/m 2/m 2/m) : Pmna
14.10.8TerskiteNa4ZrSi6O16 · 2H2OOrth.
14.10.9ElpiditeNa2ZrSi6O15 · 3H2OOrth.
14.10.10HilairiteNa2Zr[SiO3]3 · 3H2OTrig.
14.10.11PetarasiteNa5Zr2(Si6O18)(Cl,OH) · 2H2OMon. 2/m : P21/m
14.10.12KhibinskiteK2ZrSi2O7Mon.
14.10.13WadeiteK2Zr(Si3O9)Hex.
14.10.14DalyiteK2ZrSi6O15Tric.
14.10.15KostyleviteK2Zr(Si3O9) · H2OMon.
14.10.16UmbiteK2(Zr,Ti)Si3O9 · H2OOrth.
14.10.17ParaumbiteK3Zr2H(Si3O9)2 · nH2OOrth.
14.10.18GeorgechaoiteNaKZr[Si3O9] · 2H2OOrth. mm2
14.10.19GittinsiteCaZrSi2O7Mon.
14.10.20CalciocatapleiiteCaZr(Si3O9) · 2H2OOrth.
14.10.21CalciohilairiteCaZr[SiO3]3 · 3H2OTrig.
14.10.22ArmstrongiteCaZr[Si6O15] · 3H2OMon.
14.10.23Lemoynite(Na,K)2CaZr2Si10O26 · 5H2OMon. 2/m : B2/b
14.10.24CatapleiiteNa2Zr(Si3O9) · 2H2OMon.
14.10.25BaghdaditeCa3(Zr,Ti)(Si2O7)O2Mon.
14.10.26LovozeriteNa2Ca(Zr,Ti)(Si6O12)[(OH)4O2] · H2OMon.
14.10.27Låvenite(Na,Ca)2(Mn2+,Fe2+)(Zr,Ti)(Si2O7)(O,OH,F)2Mon. 2/m : P21/b
14.10.28PenkvilksiteNa4Ti2Si8O22 · 4H2OOrth. mmm (2/m 2/m 2/m) : Pbcn
14.10.29DarapiositeKNa2Mn2(Li2ZnSi12)O30Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
14.10.30BaziriteBaZr(Si3O9)Hex.
14.10.31KomkoviteBaZr[Si3O9] · 3H2OTrig.
14.10.32ZirsinaliteNa6(Ca,Mn2+,Fe2+)Zr(Si6O18)Trig.
14.10.33Tranquillityite(Fe2+,Ca)8(Zr,Y)2Ti3(SiO4)3O12Hex.

Fluorescence of ZektzeriteHide

Fluoresces blue in SW UV

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 ZektzeriteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Dunn, P.J., R.C. Rouse, B. Cannon, and J.A. Nelen (1977) Zektzerite: a new lithium sodium zirconium silicate related to tuhualite and the osumilite group. American Mineralogist 62, 416-420.
Ghose, S. and C. Wan (1978) Zektzerite, NaLiZrSi6O15: a silicate with six-tetrahedral-repeat double chains. American Mineralogist 63, 304-310.
Pautov, L. A.; Ignatenko, K. I. (1992) Zektzerite - occurrence in Tadzhikistan. Mineralogicheskii Zhurnal 14, 75-78 (in Russian).

Internet Links for ZektzeriteHide

Localities for ZektzeriteHide

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.
Chile
 
  • Aisén
    • Aisén Province (Aysén Province)
Welkner, Daniela; Godoy, Estanislao; Bernhardt, Heinz-J. (2002): Peralkaline rocks in the Late Cretaceous Del Salto Pluton, Eastern Patagonian Andes, Aisen, Chile (47° 35'S). Revista Geologica de Chile 29, 3-15.
Finland
 
  • Lapland
    • Savukoski
      • Tulppio
        • Sokli carbonatite complex
AL-Ani, Thair and Sarapää, Olli 2016. Abundance of REE bearing minerals in carbonatite and lambrophyre dikes in Kaulus area, Sokli carbonative complex, NE Finland. Geologian Tutkimuskeskus 7/2016.
Madagascar
 
  • Diana
    • Ambanja
      • Antsirabe
G. Estrade et al. (2011): HFSE enrichment in a peralkaline granite related skarn, Ampasindava Peninsula, Madagascar.- University of Toulouse, France; presentation given at the University of Tübingen.
Malawi
 
  • Southern Region
    • Zomba
Guastoni, A., Pezzotta, F., & Zorzi, F. (2008). Neufunde aus Alkalipegmatiten am Mount Malosa, Malawi: Die weltbesten Zektzeritkristalle und interessante Pseudomorphosen. MINERALIEN MAGAZIN LAPIS, 33(3), 38.
Norway
 
  • Vestfold
    • Larvik
      • Stavern (Fredriksvärn)
        • Fuglevika
Kjærnet, T. (2018): Zektzeritt - mer utbredt i Larvik plutonkompleks enn man skulle tro ? Norsk Mineralsymposium 2018: 23-28
        • Jahren pegmatite (Jaren pegmatite)
Andresen, P., Friis, H., Kjærnet, T. & Larsen, A.O. (2018): The minerals of the Jahren pegmatite, one of the major pegmatites in the Larvik Plutonic Complex. Norsk Mineralsymposium 2018: 5-22; Kjærnet, T. (2018): Zektzeritt - mer utbredt i Larvik plutonkompleks enn man skulle tro ? Norsk Mineralsymposium 2018: 23-28.
Andresen, P., Friis, H., Kjærnet, T. & Larsen, A.O. (2018): The minerals of the Jahren pegmatite, one of the major pegmatites in the Larvik Plutonic Complex. Norsk Mineralsymposium 2018: 5-22.
Andresen, P., Friis, H., Kjærnet, T. & Larsen, A.o. (2018): The minerals of the Jahren pegmatite, one of the major pegmatites in the Larvik Plutonic Complex. Norsk Mineralsymposium 2018, 5-22.
    • Sandefjord
      • Haneholmveien
Larsen, K. E. & Kolitsch, U. (2012): An unique mineral suite in a syenite pegmatite at Virikkollen, Sandefjord, Larvik Plutonic Complex, Norway. Norsk Bergverksmuseum Skrifter. 49, 35-44
Tajikistan
 
  • Districts of Republican Subordination
Pautov, L.A., Ignatenko, K.I. (1992) Zektzerite - occurrence in Tadzhikistan. Mineralogicheskii Zhurnal: 14: 75-78. (in Russian).
USA (TL)
 
  • Washington
    • Okanogan Co.
      • Golden Horn Batholith
[MinRec 9:253, 20:152]; Rocks and Minerals, 66:6, p. 457; American Mineralogist, V.73, p.1191-1194; Mineralogical Record 40:328
 
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