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Crab Concretion prep, do I glue him?


DeeMoji

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1 minute ago, ynot said:

Girl, You are so lucky!

Congratulations.

THanks :)  I guess I’ve got a lucky crabs foot somewhere! 

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Just now, Ptychodus04 said:

That looks problematic. Hollow fossils are hard to prep.

Darn! I thought he was just slightly broken there :( 

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1 minute ago, DeeMoji said:

Darn! I thought he was just slightly broken there :( 

Looks hollow from the pic. Being hollow doesn't make it impossible to prep, it just makes it more labor intensive. The trick is to fill the cavity with some very thin glue, a little at a time until you completely fill up the space. It takes a lot of glue and a long time but can be done.

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3 minutes ago, Ptychodus04 said:

Looks hollow from the pic. Being hollow doesn't make it impossible to prep, it just makes it more labor intensive. The trick is to fill the cavity with some very thin glue, a little at a time until you completely fill up the space. It takes a lot of glue and a long time but can be done.

I’m sure he is, to be honest I just didn’t know that was a thing ;) 

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Legs and claws are often hollow. As Ptychodus said, fill it up with glue before you start to prep. Any fast thin liquid glue, like Loctite or similar cyanoacrylate, does the trick. Or if you need help prepping let know.

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1 hour ago, DeeMoji said:

What kind of glue do you fill it with? 

I agree with @aeon.rocks, a very thin super glue is the way to go. You want to make sure there's no air bubbles that don't get filled in.

 

You're other option is to leave it as is and eventually, I'll wind up prepping it for you. :D

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23 minutes ago, aeon.rocks said:

 Any fast thin liquid glue, 

 

4 minutes ago, Ptychodus04 said:

A very thin super glue is the way to go. 

 

I don’t trust myself with glue that sets so fast, my hands are too big and clumsy. I tried to glue my “sad crab” and his bits don’t line up now.

I think I’ll just let him live in his rock on my table for now. 

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well i like it all plus lookz like youre getting quite good at finding crab i better watch out if you make it out to Washington.

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17 hours ago, DLB said:

 i better watch out if you make it out to Washington.

I’d love to fossil hunt everywhere, I doubt I’ll make it out of TX though ;) 

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Havent visited this thread for awhile.  and yeah, hollow fossils are a pain in the you know what!   Here is a lobster that was a nightmare cause it was hollow.  Lots and lots of glue and then about 11 little places that needed some repair and acrylic work.  It can be done.  Just takes a lot more time.  Good luck

 

RB

#2I.JPG

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On 10/3/2018 at 7:08 AM, DeeMoji said:

Excuse my mess, I’m sewing CC purses today. I’ve got a bit of everything everywhere. 

Closed Captions purses for the hearing impaired?  :rofl:

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Dorensigbadges.JPG       

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1 hour ago, caldigger said:

Closed Captions purses for the hearing impaired?  :rofl:

Almost! Concealed carry ;) 

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10 hours ago, RJB said:

Havent visited this thread for awhile.  and yeah, hollow fossils are a pain in the you know what!   Here is a lobster that was a nightmare cause it was hollow.  Lots and lots of glue and then about 11 little places that needed some repair and acrylic work.  It can be done.  Just takes a lot more time.  Good luck

 

RB

#2I.JPG

That lobster is amazing! I haven’t seen one before. 

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14 hours ago, DeeMoji said:

That lobster is amazing! I haven’t seen one before. 

The lobster fossils are another one of my favorites, but very hard to come by.

 

RB

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Well, this prep is going to be “fun”. The concretion is hollow! I opened a hole beside the larger arm that is exposed and dumped about 1/4 cup of PVA into it and it started coming out a small hole in the other arm!

 

I’m going to let all this plastic dry up before I mess with it any further.

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45 minutes ago, ynot said:

Ouch, thats gotta hurt.

Yep. You might get to see a not so nice prep from my bench if this thing doesn’t play nice.

 

I’m trying to determine whether or not to fill this thing up with plastic. I’m not sure where the carapace is yet. I sure hope it’s not what is hollow. Of course, if I fill it up and it is what’s hollow, the prep will be great. If it’s under the hollow, the prep will be a nightmare!

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