Citrine 4mm Cube Table Cut - 15-16 Inch Purple Sardonyx 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

without the play of color present in more precious varieties

however it does exhibit a lustrous sheen referred to as “opalescence

or a sandy beach blending into a tropical bay

According to Norse legend

Citrine 4mm Cube Table Cut - 15-16 Inch Purple Sardonyx Viking explorers used thin piecesCitrine is a transparent Quartz, ranging in color from pale yellow to golden yellow, honey or brown, giving it a similar appearance to Topaz. It may also contain rainbow to colored or sparkling inclusions. The name comes from the French word for lemon, citron. It was a prized gem in Greece as far back as 300 BCE.