Patina

Patina is what is revealed during an oxidation process. It can occur on many elements such as metal, stone, wood, and even leather. In many instances, it is an aesthetic effect that gives a sense of character to an object. For example, in antique and vintage objects the patina can accentuate the age that is appreciative of its history.

Patina is it a type of tarnish that occurs on copper based metals. Brass tarnishes because of its copper-alloy element. Tarnish occurs during exposure to oxygen and sulfides. Patina and tarnish are both examples of corrosion on metals.

The patina effect on this copper ring was created using ammonia and salt. Another way of achieving a patina effect is using liver of sulfur. Based on the metal, every oxidation process produces a unique effect. In jewelry, this effect is appreciated in multiple ways. The bracelet, pictured below, was oxidized using boiled eggs. Because of the red tones of the copper, the tarnish has a warmer effect than it does with silver.

Most oxidation processes, especially when used on ornate items, give depth to any design. The artistic effect pulls out the detail in some of the most intricate patterns. For the wire and stone designs in the Kaleido store, the oxidation is the best final touch because it embellishes, with natural shadows, the beauty of lines and shapes that would otherwise not be as noticeable.

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