Definition for TOUR'MA-LIN, or TUR'MA-LIN

TOUR'MA-LIN, or TUR'MA-LIN, n. [probably a corruption of tournamal, a name given to this stone in Ceylon.]

In mineralogy, a silicious stone, sometimes used as a gem by jewelers, remarkable for exhibiting electricity by heat or friction. It occurs in long prisms deeply striated. Its fracture is conchoidal, and its internal luster vitreous. Cyc. Turmalin is considered as a variety of shorl. Cleaveland.

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