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A Geoscience Digital Image Library

1706.jpg
TitleActinolite
DescriptionActinolite is a member of the amphibole family. It has the chemical formula of Ca2(Mg,Fe)5Si8O22(OH)2. Jade (nephrite) is a variety of actinolite. Actinolite is a fairly common mineral. This sample is about 7 cm.
LocationUSA ▹ California ▹ Alameda County
PhotographerShannon Heinle. 2001-10-25.
CollectionUniversity of North Dakota Mineralogy Collection #1394.
Key wordsactinolite, nephrite, jade, amphibole
Tech details709 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera.
GeoDIL number1706