What is a variety of hephelite, usually massive, of greasy luster, and gray to reddish color. Elæolite syenite, a kind of syenite characterized by the presence of elæolite called?

elaeolite — A variety of hephelite, usually massive, of greasy luster, and gray to reddish color. Elæolite syenite, a kind of syenite characterized by the presence of elæolite. (Webster's 1913.)

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