catapleiite

catapleiite

[‚kad·ə′plī‚īt] (mineralogy) (Na2,Ca)ZrSi3O9·2H2O A yellow or yellowish-brown mineral crystallizing in the hexagonal system, consisting of a hydrous silicate of sodium, calcium, and zirconium, and occurring in thin tabular crystals; hardness is 6 on Mohs scale, and specific gravity is 2.8.