Andesite Hand Sample Photos. Click on any photo for a larger image. Some of the larger images may be on other web sites and will open in a new window.

Andesite Hand Sample

andhs_001. Andesite hand sample from Germany. Krantz Collection at Smith College (K-84).



Andesite Hand Sample

andhs_002. Hornblende andesite from Mt. Shasta, CA. Wards Collection of North American Rocks. Smith College sample WS-29.

Andesite Hand Sample

andhs_003. Hornblende andesite thin section from Grmany. Krantz Collection at Smith College (K-82) .

Andesite Hand Sample

andhs_004. Hornblende andesite from Mineral County, Nevada. The hand sample is about 8 cm across. University of North Dakota sample. Photograph by Dexter Perkins and students. To see a zoomable, 3D image of this sample click here.

Andesite Hand Sample

andhs_005. Hornblende andesite from Hoosac Mountain, Eureka County, Nevada. Phenocrysts of white plagioclase, black hornblende, and platy black biotite are visible. Cenitmeter scale. US Geological Survey Study Collection, Hamilton College (USGS-83). To see the original, zoomable image on ArtStor click here.