Onyx Properties
Onyx comes in a variety of colors like red, yellow or blue. It falls under the category of quartz stones, and has a hardness of between 6 and 7 on the Mohs scale. Most of the black onyx seen in jewelry doesn't have the white stripe, so some people are not even aware that black onyx has another color to it unless it's been used for a cameo.
Jewelry Choices and History of Black Onyx
Throughout …show more content…
While it was commonly worn by people who were mourning throughout history, it's now worn by a variety of people from goths or emos who identify with the stone because of its color to fashion-conscious women who want a stone that will match with any outfit.
The affordability of onyx stones means that it can be turned into beads for necklaces and bracelets or used as large stones in rings.
Black Onyx Value
After all this discussion regarding the history and uses for black onyx, it's time to talk about the value. The value depends on whether it's been treated or remained natural. While it won't go down in price too much when treated, there is a slight decrease in price. If it's been turned into a piece of jewelry already, you're going to pay more for the jewelry than you would for individual beads, jewelry pieces or individual stones.
The price will go up depending on a few factors like the cut and size of the stone. The value will also depend on the craftsmanship of the piece of finished jewelry itself. The black onyx is more valuable than the other colors of onyx available, too.
Black onyx can vary in value from $1 to $500 per carat on its own. That varies with the setting of the gemstone itself. With a setting of silver, it'll be less than a setting of yellow or white