Rose Quartz 18mm Faceted Round Pendant with .925 Sterling Silver Bail 4.8mm Dumortierite is an aluminum borosilicate

Dumortierite is an aluminum borosilicate mineral that varies in color from blue

or in the vesicles and intergranular spaces of rhyolite

followed by a mild heat treatment gives it the bright yellow color

Generally this material is used for transistors and heat sinks and only recently has been used for jewelry and healing

Rose Quartz 18mm Faceted Round Pendant with .925 Sterling Silver Bail 4.8mm Dumortierite is an aluminum borosilicateRose Quartz is a silicon dioxide crystal and one of the most common varieties of the Quartz family. It is a translucent to transparent stone with a soft pale pink to rose red hue, thought to be derived from trace amounts of titanium, iron or manganese impurities within the stone. Considered by ancient Egyptians and Romans to have powers of beautification and wrinkle protection, Rose Quartz facial masks have been recovered from Egyptian tombs.