Log InRegister
Quick Links : The Mindat ManualThe Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsThe Rock H. Currier Digital LibraryGeologic Time
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral Quiz
Photo SearchPhoto GalleriesSearch by ColorNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Zektzerite

A valid IMA mineral species
This page kindly sponsored by John Kashuba
Hide all sections | Show all sections

About ZektzeriteHide

Formula:
LiNaZrSi6O15
Colour:
Colourless, pink (often zoned), cream, or white
Lustre:
Vitreous
Hardness:
6
Specific Gravity:
2.79
Crystal System:
Orthorhombic
Member of:
Name:
Named after Jack Zektzer (1936 - ), mineral collector of Seattle, Washington, USA, who presented the material for study.

Unique IdentifiersHide

Mindat ID:
4390
Long-form identifier:
mindat:1:1:4390:4
GUID
(UUID V4):
b5bcc18f-1a4a-4375-b335-e72634e61094

IMA Classification of ZektzeriteHide

Classification of ZektzeriteHide

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

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference
ZekIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of ZektzeriteHide

Vitreous
Transparency:
Translucent
Colour:
Colourless, pink (often zoned), cream, or white
Streak:
white
Hardness:
Cleavage:
Perfect
{100} and {010}
Density:
2.79 g/cm3 (Measured)    2.80 g/cm3 (Calculated)

Optical Data of ZektzeriteHide

Type:
Biaxial (-)
RI values:
nα = 1.582(3) nβ = 1.584(3) nγ = 1.584(3)
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

Chemistry of ZektzeriteHide

Mindat Formula:
LiNaZrSi6O15
Common Impurities:
Ti,Hf

Crystallography of ZektzeriteHide

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Cmca
Setting:
Cmca
Cell Parameters:
a = 14.330(2) Å, b = 17.354(2) Å, c = 10.164(2) Å
Ratio:
a:b:c = 0.826 : 1 : 0.586
Unit Cell V:
2,527.61 ų (Calculated from Unit Cell)
Z:
8

Crystal StructureHide

Load
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Show
Big Balls | Small Balls | Just Balls | Spacefill
Polyhedra Off | Si Polyhedra | All Polyhedra
Remove metal-metal sticks
Display Options
Black Background | White Background
Perspective On | Perspective Off
2D | Stereo | Red-Blue | Red-Cyan
View
CIF File    Best | x | y | z | a | b | c
Rotation
Stop | Start
Labels
Console Off | On | Grey | Yellow
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

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.850 Å(100)
3.145 Å(85)
7.190 Å(78)
4.336 Å(78)
3.480 Å(75)
2.665 Å(63)
4.374 Å(47)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 4a: Earth’s earliest continental crust>4.4-3.0
19 : Granitic intrusive rocks

Type Occurrence of ZektzeriteHide

Place of Conservation of Type Material:
Canadian Geological Survey, Ottawa; Royal Ontario Museum, Toronto, Canada, M34553;
The Natural History Museum, London, England, 1976,423;
Harvard University, Cambridge, Massachusetts, 116456;
National Museum of Natural History, Washington, D.C., USA, 136030.
Associated Minerals at Type Locality:
Reference:
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.

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. mmm (2/m 2/m 2/m)
TuhualiteNaFe2+Fe3+Si6O15Orth. mmm (2/m 2/m 2/m) : Cmca

Common AssociatesHide

Associated Minerals Based on Photo Data:
40 photos of Zektzerite associated with MicroclineK(AlSi3O8)
32 photos of Zektzerite associated with Arfvedsonite[Na][Na2][Fe2+4Fe3+]Si8O22(OH)2
12 photos of Zektzerite associated with QuartzSiO2
11 photos of Zektzerite associated with SogdianiteK◻2Zr2Li3[Si12O30]
10 photos of Zektzerite associated with AlbiteNa(AlSi3O8)
9 photos of Zektzerite associated with AegirineNaFe3+Si2O6
8 photos of Zektzerite associated with NeptuniteKNa2Li(Fe2+)2Ti2[Si4O12]2
6 photos of Zektzerite associated with AstrophylliteK2NaFe2+7Ti2Si8O26(OH)4F
4 photos of Zektzerite associated with Feldspar Group
4 photos of Zektzerite associated with EpididymiteNa2Be2Si6O15 · H2O

Related Minerals - Strunz-mindat GroupingHide

9.DN.Letnikovite-(Ce)(Na◻)Ca2Ce2[Si7O17(OH)]F4(H2O)4Mon. 2/m : B2/m
9.DN.05EmeleusiteLi2Na4Fe2Si12O30Orth. mmm (2/m 2/m 2/m)
9.DN.05TuhualiteNaFe2+Fe3+Si6O15Orth. mmm (2/m 2/m 2/m) : Cmca
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
9.DN.15Ashcroftine-(Ce)K5Na5(Ce,Ca)12Si28O70(OH)2(CO3)8 · 8H2OTet.

Fluorescence of ZektzeriteHide

Fluoresces blue, yellow 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.

Internet Links for ZektzeriteHide

References 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 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.
Chile
 
  • Aisén
    • Capitán Prat Province
Welkner +2 other references
Finland
 
  • Lapland
    • Savukoski
      • Tulppio
        • Sokli carbonatite complex
Ani et al. (2013)
Japan
 
  • Ehime Prefecture
    • Ochi District
      • Iwagi Island
Imaoka et al. (2021)
Madagascar
 
  • Diana
    • Ambanja
      • Antsirabe
presentation given at the University of ... +1 other reference
Malawi
 
  • Southern Region
    • Zomba
Guastoni et al. (2008)
Norway
 
  • Vestfold
    • Larvik
      • Stavern (Fredriksvärn)
        • Fuglevika
Kjærnet (2018)
        • Jahren pegmatite
Andresen et al. (2018) +1 other reference
Andresen et al. (2018)
    • Sandefjord
      • Haneholmveien
Larsen et al. (2012)
Tajikistan
 
  • Districts of Republican Subordination
Pautov et al. (1992)
USA (TL)
 
  • Washington
    • Okanogan County
      • Golden Horn Batholith
Mineralogical Record +4 other references
 
Mineral and/or Locality  
Mindat Discussions Facebook Logo Instagram Logo Discord Logo
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2024, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: March 28, 2024 15:09:59 Page updated: March 28, 2024 08:55:33
Go to top of page