• Sodalite is a mineral often used in jewelry.sodalite bracelet image by Lytse from Fotolia.com
  
  Earth is a bountiful canvas of obvious natural wonders such as mountains. Other marvels, however, are painted by a more subtle brush. Fluorescent minerals, frequently found in and referred to as rocks, are an example. According to Rob Mays with Microscopy-UK, fluorescent minerals glow with different colors when exposed to diverse light sources. Several fluorescent minerals are found in Arkansas.
  
  

Sodalite

• Sodalite is also known as sodium aluminum silicate chloride. In the July 1941 issue of The American Mineralogist, Hugh D. Miser and Jewell J. Glass of the U.S. Department of the Interior document the earliest discoveries of fluorescent minerals in Magnet Cove, Arkansas. Sodalite, a blue mineral that glows "purple-blue to violet-red" when exposed to light was one of those listed. Sodalite contains the elements sodium and chlorine--the same elements in salt.
  
  

Hackmanite

• Hackmanite, or sodium aluminum silicate chloride,a type of sodalite, is found in Magnet Cove. Hackmanite's fluorescent hues change depending upon the light source used. The colors range from various shades of bright yellow to deep reds and even pinks. Hackmanite also exhibits other light-affected characteristics. Miser and Jewell document two specific qualities of hackmanite. It is evanescent in that its fluorescent light will remain but slowly fade when the light source is removed. It also shows photosensitivity in that it responds differently to different types of light.
  
  

Willemite

• Willemite, an uncommon member of the zinc family, is also referred to as zinc silicate. Its origin is thought to be from oceanic minerals. While generally plain and white, the fluorescent nature of this mineral glows an intense green. Minerals by Name notes taht some willemite specimens are phosphorescent.
  
  

Calcite

• Calcite is one of Earth's most common minerals.calcit image by Ingrid Walter from Fotolia.com
  
  Calcite is also known as calcium carbonate. According to Minerals by Name, this abundant mineral comprises "by weight 4 percent of the Earth's crust." The fluorescent nature of this chemical spans a wide range of hues, from reds to blues and purples, depending upon the the light source. Some calcites are phosphorescent, thermoluminescent--they glow when heat is applied--and triboluminescent--they produce faint light when broken, damaged or even polished.
  
  

Fluorite

• Fluorite is considered the most colorful mineral.fluorit image by Otto Durst from Fotolia.com
  
  Fluorite, or calcium fluoride, has a broad spectrum of colors. Minerals by Name indicates that these include purple, blue, green, yellow, brown, pink, black and reddish orange.As a result, fluorite has claimed the title "the most colorful mineral in the world." The vibrant nature of this mineral is enhanced by its fluorescent features. It is possible, depending upon the nature of the light or lights applied to it, for fluorite to emanate multiple colors at one time. It, too, possesses the qualities of phosphorescence and thermoluminescence.