Ralstonite

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Ralstonite \Ral"ston*ite\ (r[add]l"st[u^]n*[imac]t), n. [So
     named after J. G. Ralston of Norristown, Penn.] (Min.)
     A fluoride of alumina and soda occurring with the Greenland
     cryolite in octahedral crystals.
     [1913 Webster]