Show Summary Details

Quick Reference

Any of a group of common rock-forming minerals of the amphibole group with the generalized formula (Ca,Na)2(Mg,Fe,Al)5(Al,Si)8O22(OH,F)2. Hornblendes consist mainly of calcium, iron, and magnesium silicate.

Subjects: Earth Sciences and Geography.

Reference entries

Users without a subscription are not able to see the full content. Please, subscribe or login to access all content.