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.
Picture Jasper is thought to boost the immune system and to cleanse toxins and pollutants from the body. It is particularly fortifying to the kidneys, stomach and intestines, and may be used to balance the mineral content of the body.