Hornblende

Hornblende

The most common mineral of the amphibole group (Ca,Na)_2-3(Mg,Fe^⁺²,Fe⁺³,Al)₅(Al, Si)₈O₂₂(OH)₂. It has a variable composition, and may contain potassium and appreciable fluorine. It is commonly black and occurs in distinct monoclinic crystals or in columnar, fibrous, or granular forms.

This is auto-generated content. You can help to improve it.

0 0

Improve it

Add an image

Part of Speech: noun
Synonym(s):
Blossary:
Industry/Domain: Earth science
Category: Geology
Company:
Product:
Acronym-Abbreviation:

Collect to Blossary

Other Languages:

Terms in the News

Featured Terms

Harry8L

0
Terms
0
Blossaries
1
Followers

Industry/Domain: Politics Category: Protest

George Clooney arrest

George Clooney, the Hollywood star, was arrested on March 16, 2012 for protesting outside the Sudanese embassy in Washington DC. Along with his father ...