Rabu, 05 Maret 2008

Amber

*close up Baltic amber specimen*
Amber is a fossilized/polymerized resin, exuded from extinct trees related to modern day conifers (and some flowering tree species) over 20 million years ago. It is primarily found in the Baltic regions, but also appears in the Dominican Republic, Mexico, Burma, Italy, Romania, Borneo, New Zealand, Nigeria, the Middle East, Alaska, Canada, and even in the United States.
Clear, white, yellow, orange, red, brown, black, and even blue or green hues are all possible, while opacity can range from translucent, clear, or spotted, to milky or dark with inclusions.
There are many plastics and younger resins (copals) which can emulate amber. There are some tests that are available to distinguish between the materials; one simple test is friction: amber is an easy conductor of static electricity. Another can be done with a black light; genuine amber fluoresces an amazing green-blue under UV light.

Amber is a gorgeous material used from antiquity as body jewelry, in the form of pendants, amulets, and for piercings. Amber seems to capture sunlight and allow it through the body. Burmese hilltribe women such as the Kachin wear long, crayon shaped pieces of the unique dark orange-red burmite amber found there. The Aztecs utilized amber for incense and body jewelry (earplugs and labrets). They even had a word for an amber ear plug: apozonalnacochtli (after apozonalli: amber; and nacochtli: ear pendant, ear plug)

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