The English word amber derives from Arabic ʿanbar عنبر (cognate with Middle Persian ambar) via Middle Latin ambar and Middle French ambre. The word was adopted in Middle English in the 14th century as referring to what is now known as ambergris (ambre gris or "grey amber"), a solid waxy substance derived from the sperm whale.
Baltic green amber tends to have a mossy or olive green color; Dominican green amber has a blue-green or turquoise color. Dominican is much rarer than Baltic and has the added advantage of naturally having a strong green color, without further enhancements, such as heat or chemicals.
Amber is fossilized tree resin, which has been appreciated for its color and natural beauty since Neolithic times. Much valued from antiquity to the present as a gemstone, amber is made into a variety of decorative objects. Amber is used in jewelry. It has also been used as a healing agent in folk medicine.
Amber gem stone is not strictly speaking a stone at all, but is a fossilized resin. Beautiful jewelry made from it resembles gemstones, so it is sold as a gem stone. Amber is popular as it has marvelous metaphysical properties for psychic protection.
Resin from the extinct species Hymenaea protera is the source of Dominican amber and probably of most amber found in the tropics. It is not "succinite" but "retinite". Class II. These ambers are formed from resins with a sesquiterpenoid base, such as cadinene.
1. Yellow Amber. This color of Amber is the most typical one since about 70% of this natural resin comes in it. This color can look like brownish too. Usually yellow color of this natural resin is found in Baltic Sea region and it is valued by most individuals due to high quality of Amber. How light or dark yellow color of Amber is depends on the number of gas bubbles found in this gemstone. The higher the number of bubbles the lighter shade of yellow Amber will be.