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Gdansk (Danzig), Pomorskie, Poland
© Marco Barsanti
|Hardness:||2 - 2½|
A fossil resin.
In order to qualify as "amber" it is NOT sufficient for a tree resin merely to harden by losing its volatiles, the molecules have to polymerize, which can take millions of years (or at least 100,000 years). After polymerization, amber becomes significantly less soluble in common organic solvents, and so will not become sticky if wetted with alcohol, acetone or gasoline. Much of the material marketed as "amber" (especially that from Colombia and Madagascar) is far too young to be considered amber, and is in reality just dried tree resin.
Visit gemdat.org for gemological information about Amber. Currently in public beta-test.
Classification of Amber
|Strunz 8th edition ID:||9/C.01-10|
9 : Organic Compounds
C : Resins and other compounds
01 : Bernstein series
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Physical Properties of Amber
|Hardness (Mohs):||2 - 2½|
Other Names for Amber
|Health Warning:||No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.|
References for Amber
Flamini A., Graziani G., Grubessi O. (1974) - Inclusi di solfuro di ferro nelle ambre baltiche. Periodico di mineralogia – Roma, pp. 331-338
Internet Links for Amber
Localities for Amber
The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
(TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
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Locality Updated: Lime Kiln Quarry & Plant (Alpha Portland Cement Company), Frederick Co., Maryland, USAFrom Bill Cordua, 12th Dec 2013 04:48:32