Shiver-spar

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Shiver-spar \Shiv"er-spar`\, n. [Cf. G. schiefer-spath.] (Min.)
     A variety of calcite, so called from its slaty structure; --
     called also {slate spar}.
     [1913 Webster]