Minerals (Category B)

Hornblende

Hornblende is a complex inosilicate series of minerals (ferrohornblende – magnesiohornblende).It is not a recognized mineral in its own right, but the name is used as a general or field term, to refer to a dark amphibole.

Hornblende is an isomorphous mixture of three molecules; a calcium-iron-magnesium silicate, an aluminium-iron-magnesium silicate, and an iron-magnesium silicate.

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