Miarolitic granite

Locality: Glens Peak Prospects, Sawtooth Primitive Area, Glens Peak Area, Elmore Co., Idaho, USA

Photo showing a granite outcrop near Glens Peak, Elmore County, Idaho, with numerous small miarolitic cavities. Although none of these tiny vug openings are over an inch in maximum dimension, each one is lined with tiny, euhedral smoky quartz and feldspar crystals.

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Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 29th Nov 2009 22:16:47