Log InRegister
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreOur ScienceMindat Newsletter [Free Download]Contact Us
Donate to MindatSponsor a PageCorporate SponsorshipSponsored Pages
Learning CenterWhat Is a Mineral?The Most Common Minerals on EarthInformation for EducatorsMindat ArticlesMindat Newsletter [Free Download]The ElementsThe Mineral Quiz
Search FormMinerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDMinerals by CountryAlphabetical Mineral IndexAlphabetical Locality SearchMineral Association SearchList of CountriesLocalities Near MePhoto SearchSearch ArticlesSearch GlossaryThe Rock H. Currier Digital LibraryMore Search Options
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
MineralsPetrologyFossilsMeteoritesGeologic Time
Mining CompaniesStatisticsMineral MuseumsClubs & OrganizationsMineral Shows & EventsDevice SettingsTime Machine
Read DiscussionsIdentification Request
Photo SearchPhoto GalleriesSearch by ColourPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Eudialyte Group from
Pseudomorphosed pegmatite, Mount Ulyn Khuren, Khaldzan Buragtag massif, Myangad District, Khovd Province, Mongolia


08557520017368730327291.jpg
Eudialyte Group, etc.

Pseudomorphosed pegmatite, Mount Ulyn Khuren, Khaldzan Buragtag massif, Myangad District, Khovd Province, Mongolia
08557520017368730327291.jpg
Eudialyte Group, etc.

Pseudomorphosed pegmatite, Mount Ulyn Khuren, Khaldzan Buragtag massif, Myangad District, Khovd Province, Mongolia
08557520017368730327291.jpg
Eudialyte Group, etc.

Pseudomorphosed pegmatite, Mount Ulyn Khuren, Khaldzan Buragtag massif, Myangad District, Khovd Province, Mongolia
Locality type:Pegmatite
Classification
Species:'Eudialyte Group' (not an IMA approved species)
Formula:[N(1)N(2)N(3)N(4)N(5)]3[M(1.1)M(1.2)]3[M(2.1)M(2.2)M(2.3)]3-6[M(3)M(4)]Z3[Si24O72]Θ4X(1)X(2)
Comments:Known onlŅƒ as verŅƒ tŅƒpical complex recrŅƒstallized pseudomorphoses up to 5-7 cm.
Confirmation
Validity:Never found, but inferred to have existed at some point in the past (e.g. from pseudomorphs)
Associated Minerals Based on Photo Data:
Quartz1
Data
Mineral Data:Click here to view Eudialyte Group data
Locality Data:Click here to view Pseudomorphosed pegmatite, Mount Ulyn Khuren, Khaldzan Buragtag massif, Myangad District, Khovd Province, Mongolia
Data Identifiers
Mindat Occurrence Record ID:968713
Long-form Identifier:1:3:968713:4
GUID (UUID V4):0
References
P.M.Kartashov (1994) Decomposition products of REE-rich eudialyte from alkaline-granitic pegmatites of Khaldzan-Buragtag (Mongolian Altai),- Abstr. 9th IAGOD symposium, Beijing,v.2, p.697-699.
 
and/or  
Mindat.orgÂŪ is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. MindatÂŪ and mindat.orgÂŪ 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 ÂĐ 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 19, 2026 23:00:34
Go to top of page