Hornblende Root Name Group
Town Farm Road, Litchfield, Litchfield County, Connecticut, USA
Radiating fans of black amphibole (unanalyzed, and thus classed as hornblende) in a fine-grained, granular albite-quartz matrix overlying a coarse-grained quartz layer. Part of an amphibole gneiss layer in the Ratlum Mountain formation. Former John Schroder collection.
© 2016 Harold Moritz