... Presently, I found I was holding to a spar, which helped me somewhat... 
Robert Louis Stevenson 「Kidnapped」
...The leaner ores contain a great deal ofcalcareous matter in the shape of common limestone or spar, which reducesthe percentage in the ore as low as between 15 and 25 per cent...
H. G. Nicholls 「The Forest of Dean」
...Amulet, of white spar, with arrow head “above heart...
James Stevenson 「Illustrated Catalogue of the Collections Obtained」
...Ditto, of banded spar, and used as remarked under No...
James Stevenson 「Illustrated Catalogue of the Collections Obtained」
...Ditto, in spar in the form of a pestle...
James Stevenson 「Illustrated Catalogue of the Collections Obtained」
...Composed of heavy spar and the carbonate in equal proportions...
George Field 「Field's Chromatography」
... so he must spar for time—...
Various 「Astounding Stories, March, 1931」
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Hesperia barbaric fallibility
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