When Eli Whitney invented the cotton gin, slavery in the United States was in a large decline, do to the inherent unprofitable nature of the cotton/plantation/slave economy in â¦ the southern states.
Jasper is a cryptocrystalline variety of the mineral Quartz (SiO 2). Quartz is the most abundant single mineral on earth. It makes up about 12% of the earth's crust, occurring in a wide variety of igneous, metamorphic and sedimentary rocks.
1 Agate Jasper-Opaque multicolored Jasper, or Jasper with banding; may also refer to a single stone with a combination of both Agate and Jasper. 2  Biggs Jasper-Jasper from Biggs Junction, Oregon, with varying light and dark color brown bands and pretty formations. Occasionally used as a synonym of Jasper. 2  Leopard Jasper-Form of Orbicular Jasper with tan color rings, appearing similar to the spots of a leopard. 3  Morgan Hill Jasper-Jasper from Morgan Hill, California, with small reddish and yellow poppy formations. 4  Also synonymous with Poppy Jasper.