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A Geoscience Digital Image Library

2298.jpg
TitlePenninite
DescriptionPenninite is a psuedo-trigonal form of clinoclore. It is found mainly with serpentine and schists. Penninite's mineral formula is Mg3(Si4O10)(OH)2Mg3(OH)6.
LocationUSA ▹ Maryland. Near Rock Springs.
PhotographerShannon Heinle. 2002-02-10.
CollectionUniversity of North Dakota Mineralogy Collection #1427.
Key wordspenninite, clinoclore, silicate
Tech details402 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens.
GeoDIL number2298