noun1
- •
A monoclinic-prismatic
mineral containing aluminum,
barium,
calcium,
chlorine,
fluorine,
hydrogen,
iron,
manganese,
niobium,
oxygen,
potassium,
rubidium,
silicon,
sodium,
strontium,
tantalum,
titanium,
and zirconium.
This dictionary works without the internet: on your phone · in Chrome