Black Onyx History?

Answer Onyx is a smooth type of quartz that is considered a semi-precious stone. Originally the term onyx referred to many varieties of onyx, including black, brown, white and striated. In the Victorian... Read More »

Top Q&A For: Black Onyx History

Difference Between Black Onyx & Black Sapphire?

Black onyx and black sapphire have very different properties, even though they are similar in color. Careful observation can sometimes determine if a black stone is an onyx or a sapphire, but a gem... Read More »

Are black diamonds&black onyx the same stone?

Black diamonds and black onyx are two very different stones. Black diamonds are a form of diamond called Carbonado that actually has formed in stellar supernovae explosions. Onyx (and black onyx) i... Read More »

Where does black onyx come from?

Black onyx is a mineral popular for jewelry uses found worldwide. The main mining locations are in Brazil, India, Uruguay and California. The mines in Brazil produce onyx of the highest quality.Sou... Read More »

About the Mineral Black Onyx?

Black onyx is a form of agate that is black with white strips or ribbons flowing through it. It is given as a gift for both the seventh and tenth wedding anniversaries. The name "black onyx" came f... Read More »