Here are some of the exceptions to the at-will employment doctrine: 1  An employee cannot be fired for a discriminatory reason. 2  An employee cannot be fired out of retaliation for performing a legally protected action. 3  An employee with a contract that outlines the terms of employment cannot be fired outside of those terms. In other words, contracts supersede at-will employment assumptions. Some states also provide protections for implied (unwritten) contracts. Check your local laws.
Amethyst is a very common gemstone and can be found in or on a wide variety of rocks, including granite rock formations and agate geodes. It is used to make jewelry in the form of cut stones, beads and calves, and is also admired in natural form, ranging in size from very tiny singular crystals to over 6 ft tall geodes.methyst is a very common gemstone and can be found in or on a wide variety of rocks, including granite rock formations and agate geodes. It is used to make jewelry in the form of cut stones, beads and calves, and is also admired in natural form, ranging in size from very tiny singular crystals to over 6 ft tall geodes.
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.hey cost of good clusters of rock crystal is quite affordable and comes from sources around the world. The best rock crystal sources are in the famous Hot Springs area of Arkansas, USA; Cumberland, England; St. Gotthard, Switzerland; Brazil and Madagascar.