SUPPORT US. If mindat.org is important to you, click here to donate to our Fall 2019 fundraiser!
Log InRegister
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 ElementsBooks & Magazines
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 MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryMineral Photography

Helvine from
Zircon prospect, Stokkøya, Langesundsfjorden, Larvik, Vestfold, Norway

Locality type:Prospect
Classification
Species:Helvine
Formula:Be3Mn42+(SiO4)3S
Comments:Brøgger (1890) described helvite as tetrahedral crystals up to several cm.
Larsen (1988) analyzes a canary yellow helvite.
Colour:Canary yellow
Confirmation
Validity:Believed Valid
References
References:Brøgger, W.C. (1890): Die Mineralien der Syenitpegmatitgänge der südnorwegischen Augit-und Nephelinsyenite. Zeitschrift für Kristallographie und Mineralogie 16. p. 57; Larsen, A. O. (1988): Helvite group minerals form syenite pegmatites in the Oslo Region, Norway. Contribution to the mineralogy of Norway no 68. Norsk Geologisk Tidsskrift 68: 119-124
Associated Minerals:
Associates:Aegirine
Albite
Analcime
Andradite
Apatite
Biotite
Fluorite
Magnetite
Meliphanite
Microcline
Natrolite
Nepheline
Pyrochlore Group
Titanite
Zircon
Data
Mineral Data:Click here to view Helvine data
Locality Data:Click here to view Zircon prospect, Stokkøya, Langesundsfjorden, Larvik, Vestfold, Norway
Nearest other occurrences of Helvine
4.1km (2.5 miles) Heia Quarry, Tvedalen, Larvik, Vestfold, Norway
5.2km (3.2 miles) Sagåsen Quarry (Saga 3 Quarry), Sagåsen, Auenslandet, Porsgrunn, Telemark, Norway
5.2km (3.2 miles) A/S Granit Quarry, Tuften (Tuften 1 Quarry; Tuften 2 Quarry), Tvedalen, Larvik, Vestfold, Norway
5.2km (3.2 miles) Johs Nilsens Quarry (Johs. Nilsen Vevja Quarry), Tvedalen, Larvik, Vestfold, Norway
5.2km (3.3 miles) Arent Quarry, Tvedalen, Larvik, Vestfold, Norway
5.3km (3.3 miles) Ferry Quay, Bjørkøya, Langesundsfjorden, Porsgrunn, Telemark, Norway
5.3km (3.3 miles) Saga 1 Quarry, Sagåsen, Auenslandet, Porsgrunn, Telemark, Norway
5.3km (3.3 miles) Østskogen Quarry, Tvedalen, Larvik, Vestfold, Norway
6.0km (3.7 miles) Vevja Quarry, Tvedalen, Larvik, Vestfold, Norway
6.3km (3.9 miles) Vevja 2 Quarry, Tvedalen, Larvik, Vestfold, Norway
 
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Public Relations by Blytheweigh.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2019, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: October 22, 2019 10:19:10
Go to top of page