noun.
a soft rock, rich in talc, also containing serpentine and either magnetite, dolomite or calcite
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a soft heavy compact variety of talc having a soapy feel; used to make hearths and tabletops and ornaments
Word Usage
"One carven image of the goddess Sekmet, seated on her throne, two inches high, carved in soapstone, caked with an iron rich clay, oxidized to a deep blood red."