Cheralite is an anhydrous phosphate mineral with the ideal chemical formula CaTh(PO<sub>4</sub>)<sub>2</sub>. It is isomorphous with huttonite and monazite. It can be regarded as the product of the complete cationic substitution in the system:
2 LREE<sup>3+</sup> â Ca<sup>2+</sup> + Th<sup>4+</sup>.
It was previously known under the name brabantite.
Physical properties: