roscoelite
Ros"coe*lite, n. Etym: [From an English chemist, H.E. Roscoe + - lite.] (Min.) Defn: A green micaceous mineral occurring in minute scales. It is essentially a silicate of aluminia and potash containing vanadium.
Ros"coe*lite, n. Etym: [From an English chemist, H.E. Roscoe + - lite.] (Min.) Defn: A green micaceous mineral occurring in minute scales. It is essentially a silicate of aluminia and potash containing vanadium.