Burstones is a 9 letter English word. It's valid Scrabble word worth 10 points. It's valid Words with friends word worth 13 points.
You can make 568 anagrams from letters in burstones (benorsstu).
Rynd, rind, n. in a burstone mill, the iron which supports the upper stone.
With the march of improvement, burstone mills went into the discard.