a brown or black mineral, tin dioxide, SnO2, that crystallizes in the tetragonal system; tinstone: the principal ore of tin.

Origin of cassiterite

1855–60; < Greek kassíter(os) tin + -ite1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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Historical Examples of cassiterite

British Dictionary definitions for cassiterite



a black or brown mineral, found in igneous rocks and hydrothermal veins. It is a source of tin. Composition: tin oxide. Formula: SnO 2 . Crystal structure: tetragonalAlso called: tinstone

Word Origin for cassiterite

C19: from Greek kassiteros tin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012