sparstone

== English == === Etymology === From Middle English sparston, from Old English spærstān (“gypsum, chalk”). Related to Low German spar (“spar”), German Sparkalk (“plaster”). By surface analysis, spar (“light-colored mineral”) +‎ stone. === Noun === sparstone (plural sparstones) Spar. === Anagrams === near posts, patroness, postnares, prostanes, transpose