Anthophyllite is an amphibole mineral: Mg2Mg5Si8O22(OH)2, 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 Latin word anthophyllum, meaning clove, an allusion to the most common color of the mineral.Tha hardness is 5.5-6.
It comes from Cape Grammata, Grammata Bay, Syros Island, Aegean Sea / Greece.