Cheralite
# Cheralite

Cheralite is an anhydrous phosphate mineral with the ideal chemical formula $CaTh(PO_4)_2.$ It is isomorphous with huttonite and monazite. It can be regarded as the product of the complete cationic substitution in the system:

2 $LREE^{3+}$ ↔ $Ca^{2+}$ + $Th^{4+}.$

It was previously known under the name brabantite.

Physical properties:

| Property | Value |
| - | - |
| Lustre | Vitreous |
| Description | Dull or greasy |
| Colour | Grayish brown to reddish brown (on rims), pale yellow, brownish green |
| Hardness | 5 on Mohs scale |
| Density | 4.72 - 5.02 $g/cm^3$ |
