URALITE Ca2(Mg,Fe)5Si8O22(OH)2 (monoclinic) . opaque gray green crystals with fibrous structure . Chaffee County, Colorado . 本礦為閃石類的次生變種，常呈灰綠色柱狀或纖維狀，由輝石類受交代形成∼ Amphibole pseudomorphous after pyroxene .

經典名礦欣賞．２．３
NO.261