Nota de aplicación
A white ash composed chiefly of phosphate of lime; obtained by burning bones in air. Bone ash is used in cleaning jewelry; bone ash cupels have been related in Medieval and later archaeological contexts to the refining of noble metals in alchemy, assaying, jewelry, and coin minting.
Ubicación jerarquía
- faceta materiales
- .. materiales (nombre jerárquico)
- .... material
- ...... <materiales por origen>
- ........ residuo (material)
- .......... ceniza
- ............ bone ash
- ............ ceniza pulverizada