Answer: epidote

AnswerCrossword Clue
EPIDOTECrystalline mineral
EPIDOTEYellowish-green mineral.
EPIDOTEYellowish-green silicate.
EPIDOTEYellowish-green mineral
EPIDOTEYellow-green mineral
EPIDOTEAn iron silicate
epidotemineral, calcium aluminum iron silicate, Ca2(Al, Fe)3Si3O12(OH), occurring in green prismatic crystals
epidotea yellowish-green mineral Ca2(Al,Fe)3Si3O12OH usually occurring in grains or columnar masses and sometimes used as a gemstone