Isonephelic :: Isonephelic (a.) Having, or indicating, an equal amount of cloudiness for a given period; as, isonephelic regions; an isonephelic line..
Nephelite :: Nephelite (n.) A mineral occuring at Vesuvius, in glassy agonal crystals; also elsewhere, in grayish or greenish masses having a greasy luster, as the variety elaeolite. It is a silicate of aluminia, soda, and potash..