Jasper Jewelry Information

Jasper is an impure, opaque, colored quartz, less hard than flint or even than common quartz, but giving off a spark when struck with steel. It is entirely opaque, or sometimes feebly translucent at the edges, and presents almost every variety of color. Is is found in metaphoric rocks and often occurs in very large masses. Jasper admits off an elegant polish and is used for vases, seals, snuff boxes and other ornaments, There are several varieties, as red, brown, blackish, bluish, Egyptian. Agate jasper is jasper in layers with chalcedony. Porcelain jasper is only baked clay. The massive Varieties form excellent building stone.