(definition) by Webster 1913 Wed Dec 22 1999 at 2:27:38

Ral"ston*ite (?), 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.

 

© Webster 1913.

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