geodil.jpg

A Geoscience Digital Image Library

1284.jpg
TitleBerthierite with Stibnite and Pyrite
DescriptionBerthierite, FeSb2S4 (iron antimony sulfide), is easily confused with the closely related mineral stibnite. The chemistry of berthierite differs from stibnite by having an additional sulfur and one iron ion. Characteristic wise, berthierite differs from stibnite in being found more frequently in acicular to fibrous clusters, having a brown streak and non flexible crystals.
LocationJapan. Nakaza Mine.
PhotographerDarla Sondrol. 2001-07-23.
CollectionUniversity of North Dakota Mineralogy Collection #274.
Key wordsBerthierite, Stibnite, Pyrite, Japan
Tech details811 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens.
GeoDIL number1284