Blood Quartz 4mm Faceted Round - 15-16 Inch Natural In lower grades it can

In lower grades it can be transparent to opaque and is commonly light blue

whose color often caused ancient jewelers to confuse it with Emerald

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

Shungite has been used as a folk medical treatment since the early 18th century

Blood Quartz 4mm Faceted Round - 15-16 Inch Natural In lower grades it canBlood Quartz is a clear to milky white silicon dioxide mineral. Its inclusions of red, orange and rust are due to traces of hematite within the stone. Quartz has been highly valued by virtually every civilization throughout history, often used in healing and meditation and as religious objects in funerary rites and to dispel evil.