THE SMART TRICK OF GEMSTONES THAT NO ONE IS DISCUSSING

Most blue tourmaline is made up of small amounts of iron, which give it coloration. Some indicolites undertake heat treatment. This undetectable system generates a lighter but stable colour.Colour-change garnet is a mixture of spessartite and pyrope garnet. This garnet offers a color modify from brownish in daylight to rose pink in incandescent lig