The source is Argentina. Su Sulfur is one of the native elements. The color varies from lemon yellow when the mineral is pure to a brownish colore when it contains impurities. It is usually associated with volcanic rocks such as pumice, however, sulfur sometimes occurs in sedimentary rocks. Sulfur should be kept from direct sunlight and handled as little as possible as even warm hands can cause the crystals to expand and crack.
Sources are Mexico, Sicily, and Nevada.
It is formed in igneous and metamorphic rocks and is quite common in pegmatite dikes associated with intrusions of granite. There are several different mineral varieties but only clear colorful ones are used as gems. Sources are Brazil, pakistan, and California. Last Updated on June 25, 2000. These pages were created on an iMac.