Pietra ollare
Esquema
Jerarquía
<materials by composition> > inorganic material > rock > metamorphic rock > schist
Descripción
Refers to several groups of greenschist found in the Italian Central Alps which contain carvable soapstone; much used in the Middle Ages as a material for the production of food preparation and storage vessels, and of stoves.
URI original del concepto
Otros términos
- ollare, pietra [en]