Vote for your favorite mineral in #MinCup25! - Titanite vs. Thortveitite
It's a pair of T-minerals with as versatile #titanite faces off against the home of rare earth elements #thortveitite.
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

Haugen, Svein O. (1987) Et system for vurdering av opal. NAGS-NYTT, 14 (3) 4-27

Advanced
   -   Only viewable:
Reference TypeJournal (article/letter/editorial)
TitleEt system for vurdering av opal
JournalNAGS-NYTT
AuthorsHaugen, Svein O.Author
Year1987Volume14
Issue3
PublisherNorske Amatørgeologers Sammenslutning
Download URLhttp://www.nags.net/stein/1987/1987-3_Haugen.pdf
Mindat Ref. ID695260Long-form Identifiermindat:1:5:695260:4
GUID0
Full ReferenceHaugen, Svein O. (1987) Et system for vurdering av opal. NAGS-NYTT, 14 (3) 4-27
Plain TextHaugen, Svein O. (1987) Et system for vurdering av opal. NAGS-NYTT, 14 (3) 4-27
In(1987) NAGS-NYTT Vol. 14 (3) Norske Amatørgeologers Sammenslutning

See Also

These are possibly similar items as determined by title/reference text matching only.

Johnsen, Svein (1987) Undersøkelse av 4 stk asbestprøver. NAGS-NYTT, 14 (4) 30-34
Justås, Johan (1977) Tromling av Stein. NAGS-NYTT, 4 (2) 12-14
Larsen, Alf Olav (1980) Identifisering av granittpegmatittmineraler - I. NAGS-NYTT, 7 (4) 26-27
Larsen, Alf Olav (1981) Identifisering av granittpegmatittmineraler -IV. NAGS-NYTT, 8 (3) 26-27
Anonymous (1987) Slutt på malmleting. NAGS-NYTT, 14 (4) 3
Olerud, Svein (1986) Samordnet geologisk undersøkelsesprogram for Finnmark. NAGS-NYTT, 13 (2) 14-17
Anonymous (1987) Nytt fra foreningene. NAGS-NYTT, 14 (4) 17
Anonymous (1987) Nytt fra foreningene. NAGS-NYTT, 14 (2) 3
Ljøstad, O. T. (1988) Mikro. Teksting av mikrobokser. NAGS-NYTT, 15 (1-4) 21-22
Bökstedt, Harry (1987) Malmdannelsen i Långban var som bunnen av Rødehavet i dag. NAGS-NYTT, 14 (1) 24-25
Hansen, Mogens (1983) Rensing av mineraler. NAGS-NYTT, 10 (1) 26-27
 
and/or  
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 1993-2025, 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.
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: September 11, 2025 01:00:40
Go to top of page