A common mineral embracing numerous varieties different in shade plus in composition It happens in monoclinic crystals in addition massive typically with fibrous or columnar framework The color varies from white to gray-green brown and black it really is a silicate of magnesium and calcium with frequently aluminum and metal Some common types are tremolite actinolite asbestus edenite hornblende the very last name becoming also used as a broad term for the entire species Amphibole is a constituent of many crystalline rocks as syenite diorite many types of trachyte etc See Hornblende
- a mineral or mineral variety belonging to the amphibole group
- A common mineral embracing numerous types different in shade plus in structure. It occurs in monoclinic crystals; also massive, generally speaking with fibrous or columnar structure. Along with varies from white to gray, green, brown, and black colored. Its a silicate of magnesium and calcium, with usually aluminium and metal. Some typically common varieties tend to be tremolite, actinolite, asbestus, edenite, hornblende (the final name being in addition made use of as an over-all term for the entire types). Amphibole is a constituent of many crystalline stones, as syenite, diorite, many kinds of trachyte, etc. See Hornblende.