Definitions of Amphibole [ˈæm fəˌboʊl]

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Definition of 'Amphibole'

Random House Webster's College Dictionary

1. (n.) amphibole
any of a complex group of hydrous silicate minerals, containing chiefly calcium, magnesium, sodium, iron, and aluminum, and including hornblende, tremolite, asbestos, etc., occurring as important constituents of many rocks.

Etymology: (1600–10; < F < LL amphibolus < Gk amphíbolos thrown on both sides, ambiguous =amphi-amphi-+-bolos, der. of bállein to throw)

Definition of 'Amphibole'

Princeton's WordNet

1. (noun) amphibole
a mineral or mineral variety belonging to the amphibole group

Definition of 'Amphibole'

Webster Dictionary

1. (noun) Amphibole
a common mineral embracing many varieties varying in color and in composition. It occurs in monoclinic crystals; also massive, generally with fibrous or columnar structure. The color varies from white to gray, green, brown, and black. It is a silicate of magnesium and calcium, with usually aluminium and iron. Some common varieties are tremolite, actinolite, asbestus, edenite, hornblende (the last name being also used as a general term for the whole species). Amphibole is a constituent of many crystalline rocks, as syenite, diorite, most varieties of trachyte, etc. See Hornblende

'Amphibole' - Nearby Entries
amphibious operation amphibious vehicle amphibole amphibole group amphibolips amphibolite amphibology

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