I have this ammonite from Portland, Dorset. (Titanites sp?) Q: Is there a method for cleaning carbon staining without compromising its surface? Its been exposed to the elements since it was found in 1986. Its about ~1m in diameter, tennis ball for scale.Currently residing in the garage, until I work out how to sneak it in the house Suture detail, just about visible.
Thanks!Would sand blasting be too harsh? (Speculation, I know nothing about it)Unfortunately, I don’t have access to air tools- but can rent a steam cleaner if that would work?
Don’t worry, I’d never do anything like that! Believe me, I'd prefer to leave it as is rather than risk losing detail and spoiling it. I am quite keen to do this properly
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