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 Black Jasper, or Basanite, is a flinty form, one of the rarer Jaspers. 2  It empowers supreme physical and mental efforts, and is highly shielding against curses, threats, and danger in high risk occupations. 3  In polished form, it is an excellent scrying stone for discerning what is hidden.