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Generaltucson shipping casualties

12th Feb 2020 21:46 UTCGreg Simmons

I don't know if this should be in General or in Education but - I had three specimens break in shipping them home from Tucson. I thought I had everything packed well, and even some really delicate pieces made it with no trouble. So, I have three apophylites I need to repair. All the crystals were fairly large and the broke right on a cleavage plane so you can stick the piece back on and barely see the crack. Does anyone have any experience repairing these and what should I use. Superglue is the first thing that comes to mind but I don't know of anything besides that. Any advice would be welcome.

Thanks!

13th Feb 2020 15:53 UTCTony Albini

Greg, i have used Superglue to repair specimens.  I recommend the gel over the liquid as the liquid easily runs past the area you are repairing to the surface of the crystal faces and needs to be immediately wiped to prevent marring of the faces.  I put a little of the gel in the center of the break and gently hold the specimen to let the glue set. You want the gel to not go past the area to be repaired.

13th Feb 2020 18:08 UTCKevin Conroy Manager

Elmer's glue dries clear, and is easily removable.

13th Feb 2020 19:10 UTCNick Gilly

This is useful info for me too, as one of my specimens, a corundum-in-matrix has suffered a similar fate. The main corundum crystal became a little wobbly about 2 or 3 months ago, and a couple of weeks ago snapped right off the matrix. The feldspar matrix was weathered in places and there were one or two partial cracks in it. The corundum was rather precariously perched on the matrix as it had a gap underneath. So thanks for the info.

I may try the superglue gel on this specimen.

13th Feb 2020 18:53 UTCPaul Brandes Manager

Agree.
Elmer's Glue works very well for repairing specimens. I have heard clear Gorilla Glue also works well, but I personally have no experience with it.

14th Feb 2020 03:20 UTCDoug Daniels

Not sure I would recommend Gorilla Glue, unless you do a lot of gluing.  I bought a 2 oz. bottle (of the original, not clear) for some repair...  Used a few drops, then stored it (a few years ago, I think).  After reading this thread, I checked the bottle - totally set, hard as a rock.  I still have bottles of Elmer's from when my kids were in school (and that be years and years ago), and those are all still in good shape (I usually have to hunt down where they are.....).  Of course, this response probably should be in another thread somewhere.
 
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