Hornblendite 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.

Hornblendite Hand Sample

hbnhs_001. Hornblendite hand sample photo. This sample is composed mainly of hornblende with a minor percentage of plagioclase feldspar. Image from the Atlas of Igneous Rocks, Complutense University of Madrid-Department of Petrology and Geochemisty.



Hornblendite Hand Sample

hbnhs_002. Hornblendite hand sample photo. This rock is composed mainly of hornblende with accessory apatite and pyroxene. Sample from Bystrzyca Górna in the Owl Mountains, Lower Silesia, Poland. This is oldest igneous rock from Poland, dated at 1.2 billion years. Image from Piotr Sosnowski [CC BY-SA 4.0] on Wikimedia Commons.