Purple Crystal Rocks

A variety of imperial topaz this purple crystal is a rather rare color of the topaz mineral.

Purple crystal rocks.

Purple crystals tumbled when you look at purple crystals in tumbled form you cannot help but be reminded of the sky s tones of blue and violet during winter. Amethyst is a well known mineral and gemstone. While most popular in yellow and blue topaz also occurs as purple stones. Pegmatites composed primarily of large crystals such as granite.

Hue and tone. The hardness of the mineral is the same as quartz thus making it suitable for use in jewelry. Although fairly rare you can find purple blue or violet minerals in these four types of rocks ordered from most to least common. Amethyst is a purple variety of quartz sio 2 and owes its violet color to irradiation impurities of iron and in some cases other transition metals and the presence of other trace elements which result in complex crystal lattice substitutions.

Purple rocks which may range in hue from blue to violet get their color from the minerals those rocks contain. Purple crystals are naturally the birthstones of people born in the new year or just after the winter solstice which is anywhere between the last week of december until the end of january.