noun, noun which may take the genitive case particle 'no'
soapstone
A soft, talc-rich metamorphic rock used for carving, countertops, and laboratory surfaces. Technical term in mineralogy.
凍石は柔らかく、彫刻に適している。
Soapstone is soft and suitable for carving.
実験台に凍石の板を使った。
We used a soapstone slab for the lab bench.