Marquise shaped black Onyx gemstone set in silver to create delicate earrings 

Onyx is a microcrystalline quartz called chalcedony formed when silica rich solutions cooled and solidified in cavties within lavas. As the solutions cooled at different rates the characteristic banding of Onyxes was created. Many exhibit black and white banding. If the bands are wide enough black or white segments can be cut and polished to create gemstones. 

Ancient Indian and Persian civilizations believed Onyx would protect from evil , and assist with the journey of life. Onyx is thought to help in times of stress, improve courage, protect the wearer , improve intuition and help individuals move to the next phase in their lives. 

It is the birthstone for Leo and Capricorn

Weight average :  2.3 grams    Stone size:            1.4cm  x  0.7cm