amphibole definition

  • noun:
    • any one of a large band of structurally comparable hydrated two fold silicate nutrients, such as hornblende, containing numerous combinations of sodium, calcium, magnesium, metal, and aluminum.
    • a big number of structurally comparable hydrated double silicate nutrients, containing numerous combinations of salt, calcium, magnesium, metal, and aluminium/aluminum
    • a standard mineral embracing many varieties different in shade plus composition. It does occur in monoclinic crystals; in addition huge, typically with fibrous or columnar structure. Colour varies from white to grey, green, brown, and black colored. It really is a silicate of magnesium and calcium, with generally aluminum and iron. Some typically common varieties tend to be tremolite, actinolite, asbestus, edenite, hornblende (the last title becoming in addition made use of as a broad term for your types). Amphibole is a constituent of numerous crystalline rocks, as syenite, diorite, most kinds of trachyte, etc. See hornblende.
    • A name written by HaĆ¼y to hornblende, from its similarity to augite, for which it would likely readily be mistaken: now made use of as a general term to include all of the kinds of which typical hornblende is certainly one. See hornblende.
    • a mineral or mineral variety from the amphibole team

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