Talc

Phoenix Shedd Zach Tracy

Talc- [] gc.maricopa.edu http://www.golcha.com/uses.htm thunderhealing.org []



Color- Green / white / gray Density- 2.75 Cleavage-- Perfect Fracture- Uneven Luster- Pearly Streak- White Hardness- 1 Crystal Structure- Triclinic

Special Characteristics- Scaly look like fish scales, and grow in large masses, Fluorescent.

Uses for talc- Paper, Plastics. Pharmaceuticals, Ceramics, Cosmetics, Animal Feed, Paints, Detergents, Powder.

Where its found- Not found in Iowa, The U.S.A is the second biggest producer of talc China is the only one that beats us, in America its found in New york, Vermont, Pennsylvania, and the southwest.

What its made of- Magnesium 19%, Silicon about 30%, Hydrogen half of 1%, and oxygen about 50%.

How it Forms- By to different processes when heated water carries magnesium and silica in a thick solution. Then they react with another chemical called dolomitic marble that contains the talc deposit then the heat and pressure create it under the earths crust.