Ralstonite
Ralstonite (ral"stun*īt) , noun
[So named after J. G. Ralston of Norristown, Penn.]
(Mineralogy) A fluoride of alumina and soda occurring with the Greenland cryolite in octahedral crystals.
Ralstonite (ral"stun*īt) , noun
[So named after J. G. Ralston of Norristown, Penn.]