The Collaborative International Dictionary of English v.0.48:
Sparry \Spar"ry\, a. [From Spar.] Resembling spar, or consisting of spar; abounding with spar; having a confused crystalline structure; spathose. [1913 Webster] Sparry iron (Min.), siderite. See Siderite (a) . Sparry limestone (Min.), a coarsely crystalline marble. [1913 Webster]