Talc is a rock known as steatite or soapstone, which is composed of varying proportions of the mineral talc, often combined with other minerals such as chlorite and carbonate. Talc is an industrial raw material in powder form, which is used in a wide range of applications. PHYSICAL CHARACTERISTICS The color is snow white to almost silver. -Luster is dull to pearly or greasy. -Transparency crystals are translucent and masses are opaque. -Crystal System is monoclinic; 2/m. -Hardness is 1 (can leave a mark on the paper) -Specific Gravity is 2.7 2.8 (average) Types of TALC/SOAPSTONE: 1-TALC A-GRADE 2-TALC B-GRADE