Color Changing Fluorite Tourmaline Purpurite contains magnesium and iron

Purpurite contains magnesium and iron and is actually the same elements that give amethyst is purple color minus the silica which is what makes quartz and many other gemstones hard

This crystal would be beautiful on a ledge or altar

Its formula is Cu6Si6O18·6H2O (also reported as CuSiO2(OH)2)

almost like glass

These crystals are UV reactive and are essentially a 3 in 1

Color Changing Fluorite Tourmaline Purpurite contains magnesium and ironColor Changing Fluorite from the Rogerley Mine, U. K. Will be intuitively selected for you out of this lot in the photograph. These pieces are green and as soon as they touch the sunlight, have reflective bits of blue hues throughout.