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.
There are many different varieties of quartz, several of which are semi-precious gemstones. Since antiquity, varieties of quartz have been the most commonly used minerals in the making of jewelry and hardstone carvings, especially in Europe and the Middle East.uartz crystals have piezoelectric properties; they develop an electric potential upon the application of mechanical stress. An early use of this property of quartz crystals was in phonograph pickups. One of the most common piezoelectric uses of quartz today is as a crystal oscillator.