Hornblende Ore On White Background Is A Complex Inosilicate Series Of Minerals Ferrohornblende – Magnesiohornblende It Is Really Royalty-Free Stock Photography

Hornblende is a common constituent of many igneous and metamorphic rocks such as granite, syenite, diorite, gabbro, basalt, andesite, gneiss, and schist.nnIt is the principal mineral of amphibolites. Very dark brown to black hornblendes that contain titanium are ordinarily called basaltic hornblende, from the fact that they are usually a constituent of basalt and related rocks. Hornblende alters easily to chlorite and epidote.