Webster’s Revised Unabridged Dictionary · 1913
Ralstonite
Ral′ston·ite (ra̤l′stŭn·īt), 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’s Revised Unabridged Dictionary · 1913
Ral′ston·ite (ra̤l′stŭn·īt), 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.