Hydrogrossular Garnet 6mm Round - 15-16 Inch Bloodstone Viking explorers used thin pieces

Viking explorers used thin pieces of Iolite as the world’s first polarizing lens to help them determine the exact location of the sun for navigation

as it is softer than both Jasper and Rhyolite

The antibacterial properties of shungite have been confirmed by modern testing

and an Amazonite ring was found among the treasures in King Tutankhamun’s tomb

Authentic DZI beads were used in ancient times in India

Hydrogrossular Garnet 6mm Round - 15-16 Inch Bloodstone Viking explorers used thin piecesHydrogrossular garnet is an especially rare gemstone. It's defined by a bright green color, and most commonly found with black inclusions. These inclusions are chromite, and the green color is caused by a reaction in the stone when the chrome is introduced to water. The green coloring has likened the stone of jadeite in the past, and because its hardness has made the stone perfect for beads and cabochons.