A Geoscience Digital Image Library

TitleHiortdahlite from Langesundfjord, Norway
DescriptionThis sample contains mostly quartz (white) and biotite (black). What makes it special is the presence of light brown hiortdahlite. Hiortdahlite has composition (Ca,Na)3(Zr,Ti,Y)Si2O7(O,OH,F)2. This specimen is from Langesundfjord, Norway, and is about 7 cm across.
LocationNorway. Near Langesundfjord.
PhotographerTwyla Baker. 2001-03-28.
CollectionUniversity of North Dakota Mineralogy Collection #1363.
Key wordshiortdahlite, Norway
Tech details594 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens.
GeoDIL number279