Magnesium iron silicate

• A dark brown mineral of the amphibole group

Wikipedia Word definitions in Wikipedia
Anthophyllite is an amphibole mineral : ☐MgMgSiO(OH), magnesium iron inosilicate hydroxide . Anthophyllite is polymorphic with cummingtonite . Some forms of anthophyllite are lamellar or fibrous and are classed as asbestos . The name is derived from the ...

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Anthophyllite \An*thoph"yl*lite\, n. [NL. anthophyllum clove.] A mineral of the hornblende group, of a yellowish gray or clove brown color. -- An`tho*phyl*lit"ic , a.

WordNet Word definitions in WordNet
n. a dark brown mineral of the amphibole group; magnesium iron silicate

Wiktionary Word definitions in Wiktionary
n. (context mineral English) A dark brown amphibole mineral; a mixed silicate of iron and magnesium.