A Geoscience Digital Image Library

TitleRichterite with braunite and feldspar
DescriptionRichterite is a member of the amphibole group with the chemical formula of Na2Ca(Mg,Fe)5Si8O22(OH)2. It basically is the sodium rich version of tremolite. Some richterite has been found in meteorite debris and it is not an overly common mineral, but is found in small amounts in many rocks. This sample is about 7 cm.
LocationIndia ▹ Central Province. Tyrodi Mines.
PhotographerShannon Heinle. 2001-11-08.
CollectionUniversity of North Dakota Mineralogy Collection #1372.
Key wordsrichterite, amphibole, tremolite
Tech details402 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera.
GeoDIL number1780