Barite, or baryte, an important industrial mineral, is found abundantly in Pakistan. Chemically, it consists of crystals of barium sulphate. It is used in paints, textiles, paper, rubber, medicines, ...

NOBLE, Okla. (AP) _ Deep in the red earth, the petals of a solid rose poked through a clump of Oklahoma sandstone. Tom Redwine used a butter knife to cut the little formation out of a hole in the ...