SPODUMENE, n. [Gr., to reduce to ashes.] A mineral, called by Hauy triphane. It occurs in laminated masses, easily divisible into prisms with rhomboidal bases; the lateral faces smooth, shining and pearly; the cross fracture uneven and splintery. Before the blowpipe it exfoliates into little yellowish or grayish scales; whence its name.
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