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A Geoscience Digital Image Library

1710.jpg
TitleByssolite with calcite and magnetite
DescriptionByssolite is a variety of actinolite composed of microscopically fibrous crystals. It has the chemical formula of Ca2(Fe,Mg)5Si8O22(OH)2. This sample is about 11 cm.
LocationUSA ▹ Pennsylvania. Near Chester. Near French Creek.
PhotographerShannon Heinle. 2001-10-25.
CollectionUniversity of North Dakota Mineralogy Collection #1393.
Key wordsbyssolite, actinolite, amphibole
Tech details887 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera.
GeoDIL number1710