Black Onyx Clock
Antique 19th Century French Mantel Clocks
Marble
Early 20th Century Art Deco Mantel Clocks
Marble, Onyx, Metal
Early 20th Century French Art Deco Mantel Clocks
Onyx, Spelter
Antique Late 19th Century French Table Clocks and Desk Clocks
Onyx
Antique 1860s French Neoclassical Table Clocks and Desk Clocks
Onyx, Brass
Vintage 1920s French Art Deco Table Clocks and Desk Clocks
Agate, Onyx, Silver, Silver Plate
Early 20th Century French Table Clocks and Desk Clocks
Onyx, Spelter
Vintage 1930s French Art Deco Table Clocks and Desk Clocks
Agate, Onyx, Sterling Silver, Bronze
Vintage 1930s Art Deco Mantel Clocks
Onyx, Marble
Vintage 1920s French Art Deco Mantel Clocks
Onyx, Belgian Black Marble
Vintage 1930s French Art Deco Mantel Clocks
Onyx, Marble, Spelter
Vintage 1930s French Art Deco Mantel Clocks
Onyx, Marble, Spelter
Vintage 1920s French Art Deco Mantel Clocks
Onyx, Belgian Black Marble, Brass, Chrome
Vintage 1930s French Art Deco Desk Accessories
Agate, Onyx, 18k Gold, Sterling Silver, Bronze
Vintage 1920s French Art Deco Desk Accessories
Onyx, Blue Sapphire, 18k Gold
Antique 19th Century French Napoleon III Clocks
Onyx, Marble
Early 20th Century French Art Deco Mantel Clocks
Mid-20th Century French Art Deco Mantel Clocks
Onyx, Marble, Metal
Vintage 1930s French Clocks
Onyx, Bronze, Nickel, Brass
Vintage 1910s French Empire Revival Mantel Clocks
Onyx
Antique 1870s French Egyptian Revival Mantel Clocks
Onyx, Belgian Black Marble, Bronze
Vintage 1980s Swiss Mid-Century Modern Mantel Clocks
Onyx, Brass
Antique 1890s French Mantel Clocks
Onyx, Spelter
Mid-20th Century French Art Deco Mantel Clocks
Onyx, Belgian Black Marble, Bronze
Antique Late 19th Century French Louis XV Mantel Clocks
Onyx, Bronze
Mid-20th Century European Art Deco Table Clocks and Desk Clocks
Onyx, Brass, Chrome
Antique Late 19th Century French Mantel Clocks
Onyx, Metal
Mid-20th Century French Art Deco Mantel Clocks
Onyx, Chrome
Early 20th Century Art Deco Desk Accessories
Chalcedony, Malachite, Onyx
2010s Carriage Clocks and Travel Clocks
Onyx
Early 20th Century French Art Deco Mantel Clocks
Belgian Black Marble, Onyx, Ormolu
Early 20th Century French Art Deco Mantel Clocks
Onyx, Enamel, Spelter
Antique 1860s French Egyptian Revival Mantel Clocks
Onyx, Marble, Bronze
Mid-20th Century French Art Deco Table Clocks and Desk Clocks
Onyx, Chrome
Early 20th Century Russian Baltic Table Clocks and Desk Clocks
Onyx, Enamel, Silver
Vintage 1920s French Art Deco More Objets d'Art and Vertu
White Diamond, 18k Gold
Vintage 1930s French Art Deco Mantel Clocks
Onyx, Belgian Black Marble, Bronze
20th Century French Desk Accessories
Onyx, 18k Gold
Early 20th Century French Art Deco Desk Accessories
Diamond, 18k Gold
Vintage 1920s Art Deco Mantel Clocks
Black Onyx Clock For Sale on 1stDibs
How Much is a Black Onyx Clock?
- 1stDibs ExpertApril 5, 2022One way to tell if your black onyx is real or not is to use a scratch test. Because black onyx clocks in at 6.5 to 7 on the Mohs scale of mineral hardness, it can’t be scratched by softer materials. Use a copper penny or a steel knife and scratch the surface of your stone. If the object leaves a scratch on the stone, it isn’t real black onyx. On 1stDibs, you’ll find a collection of genuine black onyx jewelry from some of the world’s top sellers.
- What is a black onyx ring worth?1 Answer1stDibs ExpertOctober 12, 2021The material of the ring setting is a driving factor in what a black onyx ring is worth. An onyx ring with a sterling silver ring setting can be purchased at under $30 as well. Black onyx is a semi-precious gemstone, with prices ranging from $1 to $500 per carat. Find a collection of vintage and designer black onyx rings on 1stDibs today.
- Roman Malakov DiamondsMarch 22, 2021A black onyx ring is a ring set with an onyx gemstone. Onyx is a semi-precious gemstone that typically comes in the color black.
- 1stDibs ExpertApril 5, 2022Franz Anton Ketterer is believed to be the German clockmaker who invented the cuckoo clock, and he is also one of the founding fathers of the Black Forest clockmaking. Today there are many cuckoo clocks, but to be deemed an authentic Black Forest cuckoo is an honor that is bestowed to only those clocks where every essential part is handmade exclusively in the Black Forest region of Germany. Shop a collection of cuckoo clocks from some of the world’s top sellers on 1stDibs.