Occurs in masses and square crystals; splendent lustre; color, bronze-yellow; brittle; strikes fire with steel; heated it gives off sulphur fumes; powder brownish; gravity 5.
Value.—Affords sulphur, copperas and alum. When found outside of the coal region, it often contains gold and silver.
Localities.—Found in all kinds of rocks. Bingham, Corinna, Farmington, Waterville, Brooksville, Peru and Jewett’s Island, Me.; Shelburne, Unity and Warren, N. H.; Baltimore, Hartford and Shoreham, Vt.; Heath, Hubbardston and Hawley, Mass.; Roxbury, Monroe, Orange, Milford, Middletown, Stafford, Colchester, Ashford, Tolland and Union, Conn.; Rossie, Malone, Phillips, Johnsburgh, Canton, Chester, Warwick and Franklin, Putnam and Orange Counties, N. Y.; Chester, Knauertown, Cornwall and Pottstown, Pa.; Greensboro’, N. C.; Mercer County, Ky.; Bainbridge, O.; Galena at Marsden’s Diggings, Ill.; on Sugar Creek, Ind.; mines of Colorado and California.
39.—Jasper.
Occurs in masses, either in veins or as rounded stones; dull lustre, yet takes a high polish; breaks with a curved surface; not attacked by acids; is scratched by Rock Crystal; gravity 2.5.
Value.—Used for mosaics and other ornaments when compact, fine-grained and bright color.
Localities.—Found everywhere. Sugar Loaf Mountain and Machiasport, Me.; Saugus, Mass.; Castleton and Colchester, Vt.; Bloomingrove, N. Y.; Murphy’s, Col.; Red Bluff, Mont.
40.—Kaolin.
Occurs in beds; it is a fine, white clay, plastic when wet; when dry is scaly or compact; can be crumbled in the fingers and feels gritty; adheres to the tongue; does not dissolve in acids.
Value.—Used for the finest porcelain and for adulterating candy.