Home Page About Mindat The Mindat Manual History of Mindat Copyright Status Who We Are Our Science Mindat Newsletter [Free Download]Contact Us

Donate to Mindat Sponsor a Page Corporate Sponsorship Sponsored Pages

Learning Center What Is a Mineral?The Most Common Minerals on Earth Information for Educators Mindat Articles Mindat Newsletter [Free Download]The Elements The Mineral Quiz

Minerals by Properties Minerals by Chemistry Mineral Visual Explorer Advanced Locality Search Random Mineral Random Locality Search by minID Minerals by Country Alphabetical Mineral Index Alphabetical Locality Search Mineral Association Search List of Countries Localities Near Me Photo Search Search Articles Search Glossary The Rock H. Currier Digital Library More Search Options

The Mindat Manual Add a New Photo Rate Photos Locality Edit Report Coordinate Completion Report Add Glossary Item

Minerals Petrology Fossils Meteorites Geologic Time

Mining Companies Statistics Mineral Museums Clubs & Organizations Mineral Shows & Events Device Settings Time Machine

Read Discussions Identification Request

Photo Search Photo Galleries Search by Colour Photo Colour Explorer New Photos Today New Photos Yesterday Members' Photo Galleries Past Photo of the Day Gallery Photography

Tuhualite Group

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

Photos of Tuhualite Group (143)Discuss Tuhualite Group

Tuhualite Group Gallery Search Photos of Tuhualite Group

Edit Tuhualite Group Add Synonym Edit CIF structures Clear Cache

Tuhualite

Mayor Island, Bay of Plenty Region, New Zealand

Tuhualite

Opo Bay, Mayor Island, Bay of Plenty Region, New Zealand

Zektzerite

Washington Pass, Golden Horn Batholith, Okanogan County, Washington, USA

Tuhualite

Mayor Island, Bay of Plenty Region, New Zealand

Tuhualite

Opo Bay, Mayor Island, Bay of Plenty Region, New Zealand

Zektzerite

Washington Pass, Golden Horn Batholith, Okanogan County, Washington, USA

Tuhualite

Mayor Island, Bay of Plenty Region, New Zealand

Tuhualite

Opo Bay, Mayor Island, Bay of Plenty Region, New Zealand

Hide all sections | Show all sections

About Tuhualite GroupHide

A group of chain silicates structurally related to the Osumilite Group.

Unique IdentifiersHide

Mindat ID:

34941

Long-form identifier:

mindat:1:1:34941:9

Crystal StructureHide

Load
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4

View
CIF File Best | x | y | z | a | b | c

Rotation
Stop | Start

Labels
Console Off | On | Grey | Yellow

Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Year	Locality	Temp (K)
0000638	Zektzerite	Ghose S, Wan C (1978) Zektzerite, NaLiZrSi6O15: a silicate with six-tetrahedral-repeat double chains near Washington Pass, North Cascades, Washington, USA American Mineralogist 63 304-310	1978	Miarolitic cavities of the Golden Horn batholith	293
0010800	Emeleusite	Johnsen O, Nielsen K, Sotofte I (1978) The crystal structure of emeleusite, a novel example of sechser-doppelkette Zeitschrift fur Kristallographie 147 297-306	1978	Igdlutalik Island, Julianchab District, Greenland	293
0015420	Tuhualite	Merlino S (1969) Tuhualite crystal structure Science 166 1399-1401	1969	Mayor Island, New Zealand	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Zektzerite'
loop_
_publ_author_name
'Ghose S'
'Wan C'
_journal_name_full 'American Mineralogist'
_journal_volume 63 
_journal_year 1978
_journal_page_first 304
_journal_page_last 310
_publ_section_title
;
 Zektzerite, NaLiZrSi6O15: a silicate with six-tetrahedral-repeat double chains
 near Washington Pass, North Cascades, Washington, USA
;
_database_code_amcsd 0000638
_chemical_compound_source 'Miarolitic cavities of the Golden Horn batholith'
_chemical_formula_sum 'Na Li Zr Si6 O15'
_cell_length_a 14.330
_cell_length_b 17.354
_cell_length_c 10.164
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 2527.612
_exptl_crystal_density_diffrn      2.784
_symmetry_space_group_name_H-M 'C m c a'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,1/2-y,1/2+z'
  '1/2+x,-y,1/2+z'
  '-x,1/2+y,1/2-z'
  '1/2-x,+y,1/2-z'
  '-x,y,z'
  '1/2-x,1/2+y,z'
  'x,-y,-z'
  '1/2+x,1/2-y,-z'
  'x,1/2+y,1/2-z'
  '1/2+x,+y,1/2-z'
  '-x,1/2-y,1/2+z'
  '1/2-x,-y,1/2+z'
  '-x,-y,-z'
  '1/2-x,1/2-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Na   0.25000   0.21648   0.25000
Li   0.24712   0.00000   0.00000
Zr   0.25000  -0.08805   0.25000
Si1   0.39091   0.12869   0.01792
Si2   0.38965   0.07306   0.31148
Si3   0.39072   0.19281   0.54143
O1   0.37070   0.21970  -0.00542
O2   0.32801   0.07851  -0.07887
O3   0.36177   0.11174   0.17054
O4   0.32978  -0.00240   0.34095
O5   0.36064   0.14017   0.41591
O6   0.32984   0.17405   0.66829
O7   0.50000   0.11001  -0.00132
O8   0.50000   0.05683   0.31751
O9   0.50000   0.18146   0.57081
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Na 0.02611 0.01190 0.04182 0.00000 0.01542 0.00000
Li 0.01581 0.01633 0.01031 0.00000 0.00000 -0.00018
Zr 0.00551 0.00442 0.00461 0.00000 -0.00007 0.00000
Si1 0.00614 0.00641 0.00675 -0.00076 -0.00066 -0.00009
Si2 0.00655 0.00626 0.00675 -0.00101 0.00015 -0.00063
Si3 0.00697 0.00595 0.00717 -0.00063 0.00052 -0.00080
O1 0.02309 0.00763 0.01513 0.00063 -0.00214 -0.00036
O2 0.01030 0.00854 0.00900 -0.00189 -0.00199 -0.00036
O3 0.01415 0.01556 0.00900 0.00088 -0.00022 0.00313
O4 0.01061 0.00809 0.01136 -0.00340 0.00015 -0.00089
O5 0.01415 0.00976 0.01157 -0.00013 0.00000 -0.00447
O6 0.01259 0.01083 0.00963 -0.00202 0.00384 -0.00027
O7 0.00583 0.02594 0.01895 0.00000 0.00000 -0.00277
O8 0.00427 0.01755 0.02193 0.00000 0.00000 -0.00009
O9 0.00749 0.02258 0.02093 0.00000 0.00000 0.00223

Relationship of Tuhualite Group to other SpeciesHide

Tuhualite Group Members:

Emeleusite	Li₂Na₄Fe₂Si₁₂O₃₀	Orth. mmm(2/m2/m2/m)
Tuhualite	NaFe²⁺Fe³⁺Si₆O₁₅	Orth. mmm(2/m2/m2/m) : Cmca
Zektzerite	LiNaZrSi₆O₁₅	Orth. mmm(2/m2/m2/m) : Cmca

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 Tuhualite GroupHide

mindat.org URL:

https://www.mindat.org/min-34941.html
Please feel free to link to this page.

Search Engines:

Look for Tuhualite Group on Google

Look for Tuhualite Group images on Google

Look for Tuhualite Group on Bing

Look for Tuhualite Group images on Bing

Look for Tuhualite Group on DuckDuckGo

Look for Tuhualite Group images on DuckDuckGo

Look for Tuhualite Group in the Rock H. Currier Digital Library

Mineral Dealers:

Buy from D. Joyce minerals

References for Tuhualite GroupHide

Reference List:

Localities for Tuhualite GroupHide

Showing 22 localities.

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.

Hide all sections | Show all sections

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 ⓘ Del Salto pluton	[Zektzerite] Welkner +2 other references

Finland
Lapland Savukoski Tulppio Sokli carbonatite complex ⓘ Kaulus	[Zektzerite] Ani et al. (2013)

Greenland
Kujalleq Illutalik Island ⓘ Illutalik dyke	[Emeleusite] Upton et al. (1978)

Italy
Sicily Trapani Province ⓘ Pantelleria Island	[Tuhualite] Bagiński et al. (2018)
ⓘ Cinque Denti caldera wall	[Tuhualite] Bagiński et al. (2018)

Japan
Ehime Prefecture Ochi District Iwagi Island ⓘ Mount Kuresaka	[Zektzerite] Imaoka et al. (2021) +1 other reference

Madagascar
Diana Ambanja District Antsirabe ⓘ Ampasibitika	[Zektzerite] presentation given at the University of ... +1 other reference

Malawi
Southern Region Zomba ⓘ Mount Malosa	[Zektzerite] Guastoni et al. (2008)

Mongolia
Khovd Province Myangad District ⓘ Khaldzan Buragtag massif	[Tuhualite] Irina A. Andreeva data +1 other reference

New Zealand
Bay of Plenty Region ⓘ Mayor Island (Tuhua)	[Tuhualite] Marshall (1932) +6 other references
ⓘ Omapu Bay (Western Bay)	[Tuhualite] NZJGG
ⓘ Opo Bay (South East Bay)	[Tuhualite] NZJGG
ⓘ Taratimi Bay (Crater Bay)	[Tuhualite] NZJGG

Norway
Vestfold Larvik Commune Stavern (Fredriksvärn) Fuglevika ⓘ Fuglevika Feldspar Prospect East	[Zektzerite] Kjærnet (2018)
ⓘ Jahren pegmatite	[Zektzerite] Larsen (2018)
ⓘ Jahrehagen cottage grounds	[Zektzerite] Andresen et al. (2018) +1 other reference
ⓘ Jahren Feldspar Quarry (Jaren Feldspar Quarry)	[Zektzerite] Andresen et al. (2018)
Sandefjord Haneholmveien ⓘ Virikkollen	[Zektzerite] Larsen et al. (2012)

Portugal
Azores São Miguel Ribeira Grande ⓘ Ruins of Lombadas syenite xenolith occurrence	[Zektzerite] Jochen Schlüter's collection - Zektzerite confirmed by single crystal diffraction (T. Malcherek, Hamburg, Germany)

Tajikistan
Districts of Republican Subordination ⓘ Dara-i-Pioz Massif	[Tuhualite, Zektzerite] L.A. Pautov data

USA
Washington Okanogan County Golden Horn Batholith ⓘ Washington Pass	[Zektzerite] Rocks and Minerals (6) +5 other references

Quick NavTop About Tuhualite Group Unique Identifiers Crystal Structure Relationships Other Information Internet Links References Localities Locality List

Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, 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 and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: October 14, 2026 08:18:19 Page updated: September 10, 2026 20:27:23

Go to top of page