Tag : gold

Is brass a suitable alternative to gold jewelry?

Brass is may be used in jewelry for its gold like appearance. Today almost 90% of all brass alloys are recycled compared to about 30% of gold. Because brass is not ferromagnetic, it can be separated from ferrous scrap by passing the scrap near a powerful magnet. Brass is an alloy of copper and zinc. […]

Are colored diamonds real?
5 years, 7 months ago 0

Most diamonds have a clear, colorless appearance. Because of its extremely rigid lattice, diamonds can be contaminated by very few types of impurities. Small amounts of defects or impurities form color diamonds. Blue (boron), yellow (nitrogen), brown (lattice defects), green (radiation exposure), purple, pink, orange or red. Diamond also has relatively high optical dispersion (ability […]

5 years, 7 months ago 0

Silver is added to colored karat gold alloys and carat gold solders to improve  the hardness of gold for making jewelry.  It is also used to modify the color and reduce costs. The metals added to pure gold to make karat gold for jewelry change the character of the metal. 9 kt gold has more […]

What is Gold?
5 years, 9 months ago 0

  Gold Gold is a chemical element with the chemical symbol Au and an atomic number of 79. Gold is a dense, soft, shiny, malleable and ductile metal. Pure gold has a bright yellow color and luster traditionally considered attractive, which it maintains without oxidizing in air or water. Chemically, gold is a transition metal […]

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