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You are here: Home > amberology articles > identifying true amber: succinite
Identifying True Amber (Succinite)
by Garry Platt
Garry Platt author photo
Since the screening of 'Jurassic Park' interest in the mineral amber has grown significantly. Unfortunately so has the quantity of fake amber coming on to the market. Some of these pieces have insect inclusions skillfully placed in the body of the matrix.

The British Natural History Museum recently discovered that a fly preserved in amber thought to be one of the oldest known examples of this particular species was in fact a fake and probably no more than 150 years old. (More of this fly later). Evidence of this nature, that even the best can be fooled should alert all collectors to the possibility of being misled or simply cheated.

In some cases copal, which is tree resin which has not yet fully fossilised to amber and may be anything up 3-4 million years old is described as true amber. Debate still rages in the UK about certain Kenyan deposits as to whether they should be called copal or amber and I have heard of similar arguments concerning deposits found in South America.

There are a number of simple tests that can be carried out on amber to check its authenticity. I have listed here all the basic methods I have come across. More sophisticated and complex tests are possible but they require access to laboratory equipment. These more complex tests include Refraction Index, Precise Specific Gravity and Melting Point.

When examining a specimen you should try at least 3 of the following methods detailed here. If the item in question fails any one of the tests, it could well mean the piece is not true amber.

(Test 1) HARDNESS.

Amber has hardness on Moh’s scale in the region of 2 - 3. Using appropriate scratch sticks it should be reasonably straightforward to test the sample under question.

(Test 2) HOT NEEDLE.

Heat a needlepoint in a flame until glowing red and then push the point into the sample for testing. With copal the needle melts the material quicker than amber and omits a light fragrant odour. Amber when tested does not melt as quickly as the copal and omits sooty fumes.


A quick word about testing your amber

Infrared Spectrascopy is still the only known reliable scientific test of amber authenticity.
Please use caution if you perform physical testing on your amber jewelry such as inserting hot needles or a "knife test." Amber is very fragile by nature & not easily repaired. Most times it cannot be repaired at all once it is made into a jewelry form, particularly if already set in sterling. If you make a mark it will be permanent.

Copal will dissolve in acetone. This test can be done by dispensing the acetone from an eyedropper onto a clean surface of the test specimen. Place one drop on the surface of the test piece and allow to evaporate, then place a second drop on the same area. Copal will become tacky; amber will remain unaffected by contact with acetone.

(Test 4) UV

Copal under a short-wave UV light shows hardly any colour change. Amber fluoresces a pale shade of blue.


Rub the specimen vigorously on a soft cloth. True amber may omit a faint resinous fragrance but copal may actual begin to soften and the surface become sticky. Amber will also become heavily charged with static electricity and will easily pick up small pieces of loose paper.

(Test 6) TASTE

An antique trader who specialised in amber beads introduced this test to me. She explained that one of the most reliable tests she used was to taste the amber specimen after washing it in mild soapy water and then plain water. Whilst she could make no distinction between copal and amber, she could easily identify plastics and other common substitutes because of their unpleasant or chemical taste. Amber has hardly any taste at all. As a method for identification I have not seen this procedure recorded elsewhere. I can vouch for its effectiveness as a non-destructive method of differentiating between amber and certain other substances often misleadingly labelled amber.

(TEST 7) FLOTATION (Specific Gravity)

Mix 23gms of standard table salt with 200ml of luke warm water. Stir until completely dissolved. Amber should float in such a mixture and some copals together with various plastics sink.


Infrequently amber contains Flora or Fauna inclusions. Correctly identifying the trapped Insect or plant should be an excellent indicator of a piece’s authenticity. Most inclusions from ancient amber are of species that are now extinct or significantly changed. Frequently present in Baltic amber are tiny stellate hairs which are released by oak buds during their early growth and some time after.

Examples of Flora Associated with Amber

 fossil inclusion liverwort in amber
Liverwort Marchantiopsida
Oak Flower inclusion in amber
Oak Flower
fossil inclusion large plant root flora in amber
Plant Root
amberised wood preserved in amber
Amberised Wood with clear fibres
 thuja spring in amber inclusion
Thuja Sprig Wind Seed
 wind seed inclusion in amber fossil
Wind Seed
moss fiber inclusion in amber 
Moss Fibre
 Oak Bud Cover
Oak Bud Cover (source of Stellate Hairs)


Place the suspect piece of ‘amber’ between two sheets of polarising glass or plastic. (Kokin Filter Systems who sell lens accessories for cameras sell such products). Rotate one of the polarising lenses slowly through 360 degrees. In the body of the amber a display of rainbow colours should cycle through the transparent parts of the material. This is due to interference patterns being induced in the polarised light because of the internal strains and stresses within the amber itself. My general experience with this method is that genuine amber and copal always show these colour changes, where as some acrylics, polymers and certain plastic do not. Amber, which has been drilled and then later filled with a contemporary inclusion and resin also, reveals its self via the clear disruption of the colour display. Essentially; an amber piece which does not show interference patterns is unlikely to be true amber.


With a sharp knife try to shave off a tiny piece of the amber from an unobtrusive section. Real amber fractures and splinters. plastic and polymers actual cut and tiny shaved pieces can be removed without any splintering of the material.

Anyone wishing to find out more about amber in general or these test methods specifically would do well to consult one of three books currently available on amber, they are:
Life In Amber - George O. Poinar, Jr.
ISBN: 0-8047-2001-0
Amber - The Golden Gem of the Ages
Patty C. Rice, The Kosciuszko Foundation, Inc.
ISBN: 0-917-00720-5
Amber - Window to the Past by David Grimaldi
ISBN: 0-8109-1966-4

Now back to the fly I mentioned earlier. I am afraid that only the eighth and ninth tests would have identified this particular fake. The item consisted of a block of true amber into which had been drilled a hole large enough to receive the dead fly. Resin, which had been melted, was then poured back over the insect, encasing it in an apparently genuine amber prison.

—Garry Platt

The author is always interested in discussing & listening to stories about amber.
Please feel free to contact him through any of the following:
Garry Platt
81 Buxton Road, Furness Vale
High Peak
Derbyshire. SK23 7PL
United Kingdom

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