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Amber, an ancient organic gemstone, is composed of tree resin that has hardened over time. The stone must be at least one million years old to be classified as amber, and some amber can be up to 120 million years old.
Amber is heterogeneous in composition, but consists of several resinous bodies [clarify] more or less soluble in alcohol, ether and chloroform, associated with an insoluble bituminous substance. Amber is a macromolecule formed by free radical polymerization [22] of several precursors in the labdane family, for example, communic acid, communol ...
Bahia Emerald [2]; Carolina Emperor, [3] [4] 310 carats uncut, 64.8 carats cut; discovered in the United States in 2009, resides in the North Carolina Museum of Natural Sciences, Raleigh, NC, US
Ambergris (/ ˈ æ m b ər ɡ r iː s / or / ˈ æ m b ər ɡ r ɪ s /; Latin: ambra grisea; Old French: ambre gris), ambergrease, or grey amber is a solid, waxy, flammable substance of a dull grey or blackish colour produced in the digestive system of sperm whales. [1]
According to the Museum of Amber in San Cristóbal, almost 300 kg of amber is extracted per month from the state. Prices vary depending on quality and color. [citation needed] The amber dates from between 15 million years old, for the youngest sediments of the Balumtun Sandstone and 22.5 million years old for the oldest La Quinta Formation.
Spanish amber- amber from Northern and Eastern Spain, Cretaceous (Albian) in age. Sri Lankan amber - found in sea coast in a very small quantity also called Indian amber or Indian sea amber. Sumatran amber - found in Jambi, Indonesia this amber is a young amber, typically falling in the 20-30 million year age range.
Blue amber is a rare variety of amber resin that exhibits a blue coloration. Blue amber has been most commonly found in the Dominican Republic—especially in the amber mines around the city of Santiago and, less commonly, in the eastern half of the country. In the modern age, it was discovered at about the same time as Dominican amber. [1] [2] [3]
There are three main sites in the Dominican Republic where amber is found: La Cordillera Septentrional, in the north, and Bayaguana and Sabana de la Mar, in the east.In the northern area, the amber-bearing unit is formed of clastic rocks, washed down with sandstone fragments and other sediments that accumulated in a deltaic environment, even in water of some depth.