Amethyst 7x10-9x15mm Faceted Double Drill Irregular Oval - 10 Inch birthstone_spinel is solid clear Quartz crystals

is solid clear Quartz crystals that get its bluish green color from Actinolite and Chlorite

A Manganese inosilicate (or chain silicate)

orthorhombic crystals or in massive form

among other numerous names

because two heads are better than one

Amethyst 7x10-9x15mm Faceted Double Drill Irregular Oval - 10 Inch birthstone_spinel is solid clear Quartz crystalsAmethyst 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