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The preparation steps of a rare fossil ammonite : PELTOCERAS MARYSAE
I recently got this badly prepped ammonite. Since it is a rare and usualy very spiny species , I thought it should be worth to try the preparation of the other side.
Here the different steps of the prep work.
1st step : removing the stone around for looking if the spines are preserved.
2nd step : beginning the preparation of the spines.
3rd step : under magnifying , the matrix is removed from spines.
Since this was my first prep with this kind of ammonite and matrix I have used 3 hours for the 3 first steps. All the work was done under binocular loupe.
Few hours later the spines are all free of matrix and the preparation of the inner whorls can now begin.
Step 4 : the preparation of the inner whorls with microscope.
Step 5 : the matrix is cut for standing.
Step 6 : final airblasting for removing the little part of matrix visible as white points.
Step 7 : application of a colorless protective coating for stone.
And a few close-ups of the finished ammonite:
Finally it was worth to spent some time onto this fossil .The ammonite is now ready for being sold into our shop.