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2 definitions found

From: Webster's Revised Unabridged Dictionary (1913)

 Sid·er·ite, n.
 1. Min. (a) Carbonate of iron, an important ore of iron occuring generally in cleavable masses, but also in rhombohedral crystals. It is of a light yellowish brown color. Called also sparry iron, spathic iron. (b) A meteorite consisting solely of metallic iron. (c) An indigo-blue variety of quartz. (d) Formerly, magnetic iron ore, or loadstone.
 2. Bot. Any plant of the genus Sideritis; ironwort.
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From: Webster's Revised Unabridged Dictionary (1913)

 Spar·ry a.  Resembling spar, or consisting of spar; abounding with spar; having a confused crystalline structure; spathose.
 Sparry iron Min., siderite. See Siderite (a).
 Sparry limestone Min., a coarsely crystalline marble.
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