Soapstone is a talc-schist, which is a type of metamorphic rock. It is composed largely of the magnesium rich mineral talc. This is a very soft stone. Used in homes and buildings for years, this stone is stunning and as unique as any other stone.
Soapstone like any other stone can be damaged. But unlike other stone, the damage to soapstone is more obvious. This is because of the fact that the basic component of soapstone is talc. The green color of the soapstone is derived from impurities mixed into the talc that gives its hardness and color. Depending on the impurities, the stone can be a variety of colors and hardness.
Dolomite is a factor of the hardness of the stone and magnetite is one of the main constituents of the hardness of the Virginia soapstone. Chlorite is one of the main reasons for the green of the Quebec soapstone. The talc is what causes the white scratches that appear on the polished soapstone surface when it gets marked or damaged.
A surface can be scratched, bruised or chipped. Each of these injuries to a sculpture requires a different method of repair.
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