The mineral fluorite, which is composed of calcium ions and fluoride ions, has the unit cell shown here.
(a) What type of unit cell is described by the Ca²⁺ ions?
(b) Where are the F⁻ ions located, in octahedral holes or tetrahedral holes?
(c) Based on this unit cell, what is the formula of fluorite?

Transcribed Image Text:

Unit cell of fluorite Ca²+ - F-