VariousWords beta
Related Terms:
strontium
calcium
sodium
fluorine
chlorine
oxygen
hydrogen
iron
cerium
zirconium
titanium
neodymium
lanthanum
silicon
hafnium
potassium
niobium
manganese
mineral
Noun
Definition: A trigonal-ditrigonal pyramidal brownish yellow mineral containing calcium, cerium, chlorine, fluorine, hafnium, hydrogen, iron, lanthanum, manganese, neodymium, niobium, oxygen, potassium, silicon, sodium, strontium, titanium, and zirconium.