Ancient Civilizations The history of civilization is a long one. This sites take you way back into history to see human civilization as it first looked. Ancient Civilizations in General Ancient civilizations arose all over the world.ncient Civilizations The history of civilization is a long one. This sites take you way back into history to see human civilization as it first looked. Ancient Civilizations in General Ancient civilizations arose all over the world.
Quartz is one of the most well-known minerals on earth. It occurs in basically all mineral environment s, and is the important constituent of many rock s. Quartz is also the most varied of all minerals, occurring in all different forms, habits, and colors.There are more variety names given to Quartz than any other mineral. The blue variety of Quartz, which is very uncommon in nature and rarely in crystal form. Most Blue Quartz is what is popularly known as Aqua Aura, essentially clear Rock Crystal synthetically irradiated with gold to form a deep sky blue color.
Types and Forms of Quartz Crystals. MOST OF THE QUARTZ in the Ouachita Mountains occurs as milky veins. The principal difference between milky quartz and clear rock crystal is the presence of innumerable microscopic bubbles or fluid-filled cavities in the milky quartz. These cavities scatter the light that otherwise would pass through a clear crystal.