Banded Amethyst and Rose Quartz 6-8mm Pebble - 15-16 Inch de Gem Silica occurs in a

Gem Silica occurs in a vivid blue green color due to the presence of copper in the stone and is free of inclusions of other minerals

so it fractures easily

which in many species is highly iridescent

Cubic Zirconia can be truly colorless

Banded Amethyst and Rose Quartz 6-8mm Pebble - 15-16 Inch de Gem Silica occurs in aAmethyst is a beautiful purple stone, known as a Gem of Fire by ancient cultures. It has been greatly sought after throughout history and was at times valued as highly as Diamond. Today, this semi to precious variety of quartz is found in many locations around the world. The presence of Manganese within the stone produces the purple hue, and variation of the amount of iron in the stone creates a color range from reddish purple to deep violet to light