Help mindat.org|Log In|Register|
Home PageMindat NewsThe Mindat ManualHistory of MindatCopyright StatusManagement TeamContact UsAdvertise on Mindat
Donate to MindatSponsor a PageSponsored PagesTop Available PagesMindat AdvertisersAdvertise on MindatThe Mindat Store
Minerals by PropertiesMinerals by ChemistryRandom MineralSearch by minIDLocalities Near MeSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportAdd Glossary Item
StatisticsMember ListBooks & MagazinesMineral Shows & EventsThe Mindat DirectoryHow to Link to MindatDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Zektzerite

This page kindly sponsored by John Kashuba
Formula:
LiNa(Zr,Ti,Hf)Si6O15
System:
Orthorhombic
Colour:
Colourless, pink (often ...
Lustre:
Vitreous
Hardness:
6
Member of:
Name:
Named after Jack Zektzer (1936 - ), mineral collector of Seattle, Washington, USA, who presented the material for study.

Classification of Zektzerite

Approved 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
mindat.org URL:
http://www.mindat.org/min-4390.html
Please feel free to link to this page.

First Recorded Occurrence of Zektzerite

Year of Discovery:
1976

Physical Properties of Zektzerite

Vitreous
Colour:
Colourless, pink (often zoned)
Hardness (Mohs):
6

Crystallography of Zektzerite

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

Optical Data of Zektzerite

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 Zektzerite

Formula:
LiNa(Zr,Ti,Hf)Si6O15
Essential elements:
All elements listed in formula:
Common Impurities:
Ti,Hf

Relationship of Zektzerite to other Species

Member of:
Other Members of Group:
EmeleusiteLi2Na4Fe2Si12O30
TuhualiteNaFe2+Fe3+Si6O15
9.DN.05EmeleusiteLi2Na4Fe2Si12O30
9.DN.05TuhualiteNaFe2+Fe3+Si6O15
9.DN.10Semenovite-(Ce)Na8Ca2FeBe6Ce2Si14O40(OH)4F4
9.DN.15Ashcroftine-(Y)K5Na5(Y,Ca)12Si28O70(OH)2(CO3)8 · 8H2O
14.10.1ZirconZrSiO4
14.10.2HafnonHfSiO4
14.10.4ParakeldyshiteNa2ZrSi2O7
14.10.5VlasoviteNa2ZrSi4O11
14.10.6Keldyshite(Na,H)2ZrSi2O7
14.10.7GaidonnayiteNa2Zr(Si3O9) · 2H2O
14.10.8TerskiteNa4ZrSi6O16 · 2H2O
14.10.9ElpiditeNa2ZrSi6O15 · 3H2O
14.10.10HilairiteNa2Zr[SiO3]3 · 3H2O
14.10.11PetarasiteNa5Zr2(Si6O18)(Cl,OH) · 2H2O
14.10.12KhibinskiteK2ZrSi2O7
14.10.13WadeiteK2Zr(Si3O9)
14.10.14DalyiteK2ZrSi6O15
14.10.15KostyleviteK2Zr(Si3O9) · H2O
14.10.16UmbiteK2(Zr,Ti)Si3O9 · H2O
14.10.17ParaumbiteK3Zr2H(Si3O9)2 · nH2O
14.10.18GeorgechaoiteNaKZr[Si3O9] · 2H2O
14.10.19GittinsiteCaZrSi2O7
14.10.20CalciocatapleiiteCaZr(Si3O9) · 2H2O
14.10.21CalciohilairiteCaZr[SiO3]3 · 3H2O
14.10.22ArmstrongiteCaZr[Si6O15] · 3H2O
14.10.23Lemoynite(Na,K)2CaZr2Si10O26 · 5H2O
14.10.24CatapleiiteNa2Zr(Si3O9) · 2H2O
14.10.25BaghdaditeCa3(Zr,Ti)(Si2O7)O2
14.10.26LovozeriteNa2Ca(Zr,Ti)(Si6O12)[(OH)4O2] · H2O
14.10.27Låvenite(Na,Ca)2(Mn2+,Fe2+)(Zr,Ti)(Si2O7)(O,OH,F)2
14.10.28PenkvilksiteNa4Ti2Si8O22 · 4H2O
14.10.29DarapiositeKNa2(Zn,Li)3(Mn,Zr)2[Si12O30]
14.10.30BaziriteBaZr(Si3O9)
14.10.31KomkoviteBaZr[Si3O9] · 3H2O
14.10.32ZirsinaliteNa6(Ca,Mn2+,Fe2+)Zr(Si6O18)
14.10.33Tranquillityite(Fe2+,Ca)8(Zr,Y)2Ti3(SiO4)3O4

Other Names for Zektzerite

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

Other Information

Fluoresces blue in SW UV
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 Zektzerite

Reference List:
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 Zektzerite

Specimens:
The following Zektzerite specimens are currently listed for sale on minfind.com.

Localities for Zektzerite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Chile
 
  • Aisén del General Carlos Ibáñez del Campo Region
    • 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.
Madagascar
 
  • Antsiranana Province
    • Diana Region (Northern Region)
      • Ambanja District
        • Ampasindava Peninsula
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.
Norway
 
  • Vestfold
    • 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
 
  • Region of Republican Subordination
    • Tien Shan Mtn
      • Alai Range (Alayskiy)
Pautov, L. A.; Ignatenko, K. I. (1992): Zektzerite - occurrence in Tadzhikistan. Mineralogicheskii Zhurnal 14, 75-78 (in Russian).; Can. Mineral. 42: 107-119 (2004)
USA
 
  • 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
Mineral and/or Locality  
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 1993-2015, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: April 26, 2015 03:58:07 Page generated: April 23, 2015 01:47:47