Kosmos Black Sapphire and Marcasite Ring in Sterling Silver Menta verde featuring a central oval black

featuring a central oval black onyx cabochon gemstone surrounded by sparkling marcasite

This necklace from the Gemondo Floral collection features a traditional cluster pendant arranged into a flower

featuring an oval shaped emerald gemstone decorated with a sparkling diamond

these art nouveau style drop earrings feature a black onyx gemstone adorned with sparkling marcasites

these simple garnet earrings are perfect for everyday wear or adding a splash of red on a night out

Kosmos Black Sapphire and Marcasite Ring in Sterling Silver Menta verde featuring a central oval blackAbout This Item A striking statement ring with black sapphires and sparkling marcasite stones in a multi band design inspired by the celestial shapes of the cosmos. Gemstone Information Marcasite items, including jewellery, have been found in ancient Incan tombs. It is thought that the Incas even created marcasite plates and surfaces to be used in worship of sun gods. It has also been said that Native Americans once used marcasite, or pyrite as it is