The Colorado driving record is an extensive report of your past traffic violations, accidents and tickets. Review your Colorado personal driving history to understand how moving violations affect your license status.
Crystal Ingridients. Crystal is made of silica, sodium carbonate and calcium carbonate or more commonly known as sand, soda ash, and limestone. Soda ash is added to the sand in order to lower the melting point and limestone is added to increase crystal's strength and durability.
Rock crystal is only one of several quartz varieties. Other varieties that form macroscopic (large enough to see) crystals are as follows: 1  Amethyst is the purple gemstone variety. 2  Citrine is a yellow to orange gemstone variety that is rare in nature but is often created by heating Amethyst.ock Crystal is the name given to all clear colorless quartz. It is widely used as a popular ornamental stone and is also used as a gemstone. Although it is one of the least expensive gemstones, cut rock crystal has been used as imitation diamonds.