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sambuccakona

How Do I Extract Ammonite From Rock

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sambuccakona

We found a couple of big ammonites encased in rock and have no idea how to extract without damaging the shell. any ideas?

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Fossildude19

Read this thread.

You may decide to find a professional to do it for you.

Regards,

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ZiggieCie

Here are some video links on it also.

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TStodard

What tool/tip is he using in that video?

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Fossildude19

What tool/tip is he using in that video?

That is an air scribe ( or air engraver,... air pen, ... air hammer,... all the same).

It is a pneumatic tool, attaches to a compressor, and works like a mini jack hammer.

Some people use cheap chinese models, some use a Chicago Pneumatics 9361, some use any of the Paleotools Microjacks, or other models.

Some have success with the All Air Products model, which goes for about 100.00 bucks.

There are many threads here on the Forum which deal with these questions.

Regards,

Edited by Fossildude19

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TStodard

Thanks for the info. I saw that video a few weeks ago, but did not know the name of the tool he was using.

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Mike Pocock

You can get good results using an electric engraver this is a lot less expensive than the air scribe

Regards

Mike

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jpc

You can get good results using an electric engraver this is a lot less expensive than the air scribe

Regards

Mike

The results may be good, but they better with an air tool. My first air scribe was electric and it lasted but a matter of weeks.

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Ptychodus04

There's a philosophical distinction that needs to be made when attempting any preparation job. You don't want to remove the fossil from the matrix. You want to remove the matrix from the fossil. If you look at a prep job from this angle, one is much less likely to damage the specimen. :D

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