According to Webster’s Dictionary, the definition of a mineral is an inorganic substance. Citrine is one of the most popular minerals. It is a variety of quartz. Citrine is a yellowish-orange mineral. Citrine is a very popular gemstone because it is very affordable and very pretty. Along with topaz, citrine is the birthstone for the month of November and the anniversary gemstone for the 17th year of marriage (www.jewelrymall.com). Citrine is also …showed first 75 words of 1829 total…

…showed last 75 words of 1829 total…are formed. Changes in temperature and pressure can allow igneous and sedimentary rocks to change physically or chemically to form metamorphic rocks. At higher temperatures, metamorphic rocks may be partially melted, and crystallization of this melt will create igneous rocks. Uplift and erosion can expose all rocks types at the surface, re-initializing the cycle (www.science.ubc.ca). This Diagram was drawn by Fallan Davis from www.cnwl.igs.net Bibliography None (Sources are sited)