Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (2 online) Mindat Auctions

Zektzerite

Big Photo

Washington Pass, Golden Horn Batholith, Okanogan Co., Washington, USA
© Pavel M. Kartashov

Show Zektzerite Photos (19)
Formula:
LiNa(Zr,Ti,Hf)Si
 
6
O
 
15
System:OrthorhombicColour:Colourless, pink (often ...
Lustre:VitreousHardness:6
Name:Named after Jack Zektzer (1936- ), mineral collector of Seattle, Washington, USA, who presented the material for study.


Tuhualite Group.

Classification of Zektzerite

IMA status:Approved 1976
Strunz 8th edition ID:8/F.30-10
Nickel-Strunz 10th (pending) edition ID:9.DN.05

9 : SILICATES (Germanates)
D : Inosilicates
N : Inosilicates with 6-periodic double chains
Dana 8th edition ID:66.3.4.2

66 : INOSILICATES Double-Width,Unbranched Chains,(W=2)
3 : Amphiboles - Ca-Na subgroup
Hey's CIM Ref.: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.

Type Occurrence of Zektzerite

Type Locality:Washington Pass, Golden Horn Batholith, Okanogan Co., Washington, USA
Year of Discovery:1977

Physical Properties of Zektzerite

Lustre: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
Maximum Birefringence:δ = 0.002

Chart 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)Si
 
6
O
 
15
Essential elements:Li, Na, O, Si, Zr
All elements listed in formula:Hf, Li, Na, O, Si, Ti, Zr
Common Impurities:Ti,Hf

Relationship of Zektzerite to other Species

Member of Group:
Tuhualite Group:
Related Minerals - Nickel-Strunz Grouping):

- +
9.DN.05Emeleusite
Li
 
2
Na
 
4
Fe
 
2
Si
 
12
O
 
30
9.DN.05Tuhualite
(Na,K)
 
2
Fe
 
2
Fe
 
2
Si
 
12
O
 
30
·H
 
2
O
9.DN.10Semenovite-(Ce)
Na
 
8
Ca
 
2
FeBe
 
6
Ce
 
2
Si
 
14
O
 
40
(OH)
 
4
F
 
4
9.DN.15Ashcroftine-(Y)
K
 
5
Na
 
5
(Y,Ca)
 
12
Si
 
28
O
 
70
(OH)
 
2
(CO
 
3
)
 
8
·8H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
14.10.1Zircon
Zr[SiO
 
4
]
14.10.2Hafnon
(Hf,Zr)[SiO
 
4
]
14.10.4Parakeldyshite
Na
 
2
ZrSi
 
2
O
 
7
14.10.5Vlasovite
Na
 
2
ZrSi
 
4
O
 
11
14.10.6Keldyshite
(Na,H)
 
2
ZrSi
 
2
O
 
7
14.10.7Gaidonnayite
Na
 
2
Zr[Si
 
3
O
 
9
]·2H
 
2
O
14.10.8Terskite
Na
 
4
ZrSi
 
6
O
 
16
·2H
 
2
O
14.10.9Elpidite
Na
 
2
ZrSi
 
6
O
 
15
·3H
 
2
O
14.10.10Hilairite
Na
 
2
Zr[SiO
 
3
]
 
3
·3H
 
2
O
14.10.11Petarasite
Na
 
5
Zr
 
2
[(OH,Cl)|Si
 
6
O
 
18
]·2H
 
2
O
14.10.12Khibinskite
K
 
2
ZrSi
 
2
O
 
7
14.10.13Wadeite
K
 
2
Zr[Si
 
3
O
 
9
]
14.10.14Dalyite
K
 
2
ZrSi
 
6
O
 
15
14.10.15Kostylevite
K
 
2
ZrSi
 
3
O
 
9
·H
 
2
O
14.10.16Umbite
K
 
2
(Zr,Ti)Si
 
3
O
 
9
·H
 
2
O
14.10.17Paraumbite
K
 
3
Zr
 
2
H(Si
 
3
O
 
9
)
 
2
·nH
 
2
O
14.10.18Georgechaoite
NaKZr[Si
 
3
O
 
9
]·2H
 
2
O
14.10.19Gittinsite
CaZr[Si
 
2
O
 
7
]
14.10.20Calciocatapleiite
CaZrSi
 
3
O
 
9
·2H
 
2
O
14.10.21Calciohilairite
CaZr[SiO
 
3
]
 
3
·3H
 
2
O
14.10.22Armstrongite
CaZr[Si
 
6
O
 
15
]·3H
 
2
O
14.10.23Lemoynite
(Na,K)
 
2
CaZr
 
2
Si
 
10
O
 
26
·5H
 
2
O
14.10.24Catapleiite
Na
 
2
Zr[Si
 
3
O
 
9
]·2H
 
2
O
14.10.25Baghdadite
Ca
 
3
(Zr,Ti)[O
 
2
|Si
 
2
O
 
7
]
14.10.26Lovozerite
Na
 
2
Ca(Zr,Ti)[Si
 
6
O
 
12
(OH,O)
 
6
]*H
 
2
O
14.10.27Låvenite
(Na,Ca)
 
2
(Mn
2+
 
,Fe
2+
 
)(Zr,Ti)[(O,OH,F)
 
2
|Si
 
2
O
 
7
]
14.10.28Penkvilksite
Na
 
4
Ti
 
2
Si
 
8
O
 
22
·4H
 
2
O
14.10.29Darapiosite
KNa
 
2
Li(Mn,Zn)
 
2
ZrSi
 
12
O
 
30
14.10.30Bazirite
BaZr[Si
 
3
O
 
9
]
14.10.31Komkovite
BaZr[Si
 
3
O
 
9
]·3H
 
2
O
14.10.32Zirsinalite
Na
 
6
(Ca,Mn
2+
 
,Fe
2+
 
)Zr[Si
 
6
O
 
18
]
14.10.33Tranquillityite
(Fe
2+
 
,Ca)
 
8
(Zr,Y)
 
2
Ti
 
3
[O
 
4
|SiO
 
4
]
 
3

Other Names for Zektzerite

Synonyms:
IMA1976-034
Other Languages:
German:Zektzerit
Russian:Цектцерит
Spanish:Zektzerita

Other Information

Health Warning: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.

Internet Links for Zektzerite

Search Engines:
  • Look for Zektzerite on Google
  • Look for Zektzerite images on Google
    • External Links:
  • Look for Zektzerite on Webmineral
  • Look for Zektzerite on Athena Mineralogy
  • Look for Zektzerite on Wikipedia
  • Look for Zektzerite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Zektzerite in the Natural History Museum (London) online catalogue
  • Zektzerite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • The Arkenstone - Fine Minerals
  • Wendel Minerals - Auktion & Shop
  • Search for - Zektzerite - on e-Rocks Mineral Sales & Auctions
  • Buy from David K Joyce minerals
  • Buy fine minerals and gemstones from Pala International
  • rare and unusual minerals mainly crystallized
  • Edwards Minerals - Fine Specimens
  • Buy Minerals and Crystals from Crystalarium.com
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • Fine Minerals from Dan Weinrich Minerals
  • Find Zektzerite on www.crystalclassics.co.uk
  • Top quality minerals from Kristalle of California
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

    Sponsorship:This page is currently not sponsored. Click here to sponsor this page.

    Localities for Zektzerite

    Hide Locality List
    The 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. ? 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)
    		www.koeln.netsurf.de/~w.steffens/latam.htm
    Tajikistan
     
    • Region of Republican Subordination
      • Tien Shan Mts
        • Alai (Alayskiy) Range
    		CanMin 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
    Google
     
    www.mindat.org Web
    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 7th Nov 2009 19:05:31