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.
Jasper comes in all colors, mostly striped, spotted or flamed. A variety of trade names specify colors, appearance or composition. There is no recommendation for color, although red, caused by traces of iron oxide, is one of the most common colors.Brown and yellow are also commonly occurring colors for jasper. Unicolored stones are extremely rare, but not unheard of. variety of trade names specify colors, appearance or composition. There is no recommendation for color, although red, caused by traces of iron oxide, is one of the most common colors. Brown and yellow are also commonly occurring colors for jasper. Unicolored stones are extremely rare, but not unheard of.