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Schillerisā′tion, the process by which microscopic crystals have been developed in other minerals so as to give a submetallic sheen by internal reflection; Schill′erite, or Schill′er-spar rock, enstatite schillerised.

Di�allage, an altered form of the mineral augite, with a lamellar structure, and a submetallic lustre on its planes of separation.

Alabandite, or Manganblende, a black submetallic mineral.

Lustre, resinous, brilliant, and sometimes submetallic.

Olive green, submetallic; edge of the scales blackish; upper lip, chin, and ventral plates greenish-white; head moderate, elongate, depressed; head shields normal; hinder frontal and front of superciliary shield expanded on the sides, and bent down on the cheeks.