schorl noun. [ʃɔ:l] L18.
[German Schörl, of unkn. origin.]
Mineralogy. Tourmaline, esp. the black iron-rich variety. Formerly also (with specifying word), any of various other similar minerals.
schorl rock, schorl-schist, etc.

■ schor'laceous adjective of the nature of or resembling schorl; esp. occurring as columnar crystals: L18.

■ schorlite noun (now rare or obsolete) any of several schorlaceous minerals, esp. pycnite L18.

[TahlilGaran] English Dictionary ▲