African Turquoise Rosary Bracelet Crucifix - Miraculous Medal:Antique Gold Brazilian Opal forms in veins

Brazilian Opal forms in veins or layers of Opals and in alluvial deposits that has been washed down by rivers over centuries or mined on slopes between source and present river floors

Agate is a variety of chalcedony

chose Sodalite as interior decoration for Marlborough House in England after a visit to Ontario

Traces of iron in quartz give amethyst gemstones their distinctive purple hue

African Turquoise Rosary Bracelet Crucifix - Miraculous Medal:Antique Gold Brazilian Opal forms in veinsAfrican turquoise gemstone beads are a turquoise blue color with a black matrix (black lines and dots). This stone is mined in Africa and is actually a type of spotted teal jasper often used as imitation turquoise in jewelry. It is sometimes wrongly labeled as actual turquoise, but it is more common and therefore less expensive than its namesake. It is also harder and more durable than turquoise.