Red patina on copper is the most durable patina that can be done on copper. It is a heat-treatment patina where the copper jewellery is heated to temperature and then quenched in cold water. This captures the bold and long-lasting red colour.
Additionally I buff on a thin layer of conservator’s wax to add gloss and protection.
**This patina should avoid soap, water, and chemicals to maintain its dramatic colour.
Gold is a valuable material. Recycling and reusing gold is not new to the jewellery industry. Some jewellers don't collect their scraps and filings to be recycled, but this is in the vast minority, as it is a costly habit to have. To recycle gold jewellery, the item must first be...
To calculate the gold weight of a 3D model, you will first need to find the volume of the model. This can be done in Rhino 3D by selecting the closed object and typing in "volume" and then Enter. The software will give you cubic millimeter of the object. With the volume,...
Ring Size (US) Diameter (Millimeters) 4.0 14.9 mm 4.5 15.3 5.0 15.7 5.5 16.1 6.0 16.5 6.5 16.9 7.0 17.3 7.5 17.7 8.0 18.1 8.5 18.5 9.0 19.0 9.5 19.4 10.0 19.8 10.5 20.2 11.0 20.6 11.5 21.0 12.0 21.4
A carat (with a Cnot a K) is the unit of measurement used for the weight of gemstones. The word "carat" is derived from the word "carob", which is the dried fruit bean that was used in the times before digital scales to weigh small objects. A carob bean is...
