Natural genuine Baltic Amber women\'s pendant authentic old vintage jewelry 1158
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Natural genuine Baltic Amber women\'s pendant authentic old vintage jewelry 1158:
$4.99
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What is the Baltic Amber?
Amber is solidified resin of conifers.According to the scientists, Baltic Amber formed 50 million years ago duringEocene epoch, when the massive subtropical forests were growing inThe Baltic Sea Catchment Basin. Fallen resin with the lapse of time hasnaturally solidified and deteriorated into amber due to processes of oxidationand polymerization. Most of it have been collected by the running rivers anddrifted to the Baltic Sea. Plants, insects and other wildlife tailings havebeen adhered to the drifting resin. Plants and organisms inside amber arecalled inclusions. It is believed that during Eocene epoch subtropical forestscould produce approximately 100,000 tons of amber. Baltic Amber consist agreat amount of succinate (amber acid), therefore it is called succinite.
How to identify true amber?
Nowadays theprice of a natural amber constantly raises. This causes massive ambercounterfeiting. I will briefly describe the most popular and commonly-usedfalsifications of amber and the ways to identify true amber.
Glass
Glass is quiteunpopular material for counterfeiting amber for a very simple reason. Glass isheavier, harder, colder and incombustible.
Copal
Copal is a resinous substances in an intermediate stage ofpolymerization. Generally it is youngresin (1000 to 1 million years). Melting temperature of copal is low comparingto amber. It may also have natural inclusions, but usually they are falsified.
Phenolic resinis a synthetic resin produced in artificial way. Generally phenolicresin beads are identical to each other in shape, colour and looks ‘too perfect’.
Celluloid
Celluloid isregarded to be the firstthermoplastic. Usually it isyellow and cloudy and looks similar to the true amber.
Casein
Casein is aplastic made from cows milk. It is a little bit heavier than amber and havecloudy, turoffer yellow colour.
Modern plastic (polyester, polystyrene)
Optically this substitute can hardly be distinguished because with itauthentic amber colors and limpidity can be obtained. Falsified inclusions aretoo big and clearly seen, usually inserted in the very center of plastic.
Identification tests:
There are many various ways to identify true amber. I will describe onlytwo ways which are the most suitable for domestic conditions. So here we go:
Mix 15ml of table salt with 100ml of water.Dissolve salt in water by stirring. As salt is completely dissolved, drop thepiece of amber into the mixture. Note that some additional components ofjewellery such as string, fastener etc. can drown the amber due to big weight.Amber, copal and some sorts of plastic should float in suchmixture whereas glass and other plastics sink.
Take a needle and heat it over the flame (use pincers to avoidskin burns). Stick a heated needle into an imperceptible place in amber. Copaland amber diffuses definite pine-tree resin smell whereas other sorts of fakeamber (plastic etc.) will smell like burning plastic. However, amber is fragileand it does not melt. Sticking with a hot needle you will notice some cracks, whilea needle will pierce plastic and copal without cracking it. The “hot needle”test is the most effective way to identify true amber and it does not requireany sophisticated equipment. The only negative of this test is the slight markof burning remains which is irreparable.
Natural genuine Baltic Amber women\'s pendant authentic old vintage jewelry 1158:
$4.99