Soapstone, a soft and easily-carved rock is found worldwide. Geologists know this rock better as a Steatite. Based on the mineral content, Soapstone comes in diverse colours like green, brown or gray. It is classified as a fine-grained metamorphic rock. Metamorphic rock is one of three primary types of rock, along with igneous and sedimentary rock. Metamorphic rock results from the effects of high degree of heat and pressure upon another rock type called Protolith. In case of Soapstone, when tectonic plates that form the earth's surface come under high pressure at the boundaries, it transform Protoliths into metamorphic rocks.
Chemically, this rock is composed largely of white talc. Talc, a hydrated magnesium silicate is a commonly used as a nucleating agent of polypropylene.
Versatile properties of Soapstone makes it an ideal raw material for wide array of applications. Its smooth surface makes it a perfect choice for metal casting as the finished product does not stick to the mold. Moreover, the hot molten metal will not damage the mold as Soapstone, though being relatively soft, is highly resistant to heat. Due to its heat resistance, it is not only used to create molds for metal casting but Soapstone is also preferred choice while constructing fireplaces, wood stoves, cookware and cooking surfaces. Today, Soapstone is extensively used in kitchens, especially for countertops as it is extremely stain resistant too. Natural acids present in wines and citrus juices can harm surfaces prepared from other materials but Soapstone remains impervious to them. One just needs to clean with a common household cleaner and the soapstone countertop will be clean and sparkling once again.
Soapstone has been used by carvers and builders since centuries as it is easily carved and shaped yet very durable and attractive. It is carved into figurines, beads, seals, pipes etc. Over the years, it has become a popular in home design and contemporary décor.
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