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The time now is Feb 17, 2020 03:57

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A general guide for using the Forum with some rules and tips
Preserving Calcite
  
  Index -> Conserving, Preparing and Cleaning Minerals
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Brandonh




Joined: 12 Jan 2020
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Location: Venic, Florida

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PostPosted: Jan 26, 2020 01:13    Post subject: Preserving Calcite  

I have quite a few honey calcite geodes i found and some are very pretty.

I'm concerned about preserving them. I was told that I would need to sand and polish them, but the way they look naturally broken is quite attractive.

Does anyone have any info they would like share on what is the best route to keep them from deteriorating?
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R Saunders




Joined: 28 Jul 2018
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PostPosted: Jan 26, 2020 07:20    Post subject: Re: Preserving Calcite  

are you referring to the Calcite fossil clams from the former Ruck's PIT quarry in Florida? If so I have one that was left laying in a mans yard for years with no apparent effect. Calcite itself seems to be very stable and not sure why you would want to hand sand it. Or is it Midwest USA geodes that have been cracked open?
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Bob Harman




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PostPosted: Jan 26, 2020 08:19    Post subject: Re: Preserving Calcite  

Mr Saunders, if you look through Brandon's other postings, you will see that he has posted some self-collected Calcite nodules/geodes/limestone nodules from Florida.

To "preserve" them, basically do nothing. If you want to keep them as a mineral specimen, keep them natural. Do not sand or polish them; I might only mist them with a simple water spray every several months or so. This keeps them slightly moist without drying out.

For Calcite, kept natural as mineral specimens, nothing special needs to be done......Bob
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Brandonh




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PostPosted: Jan 26, 2020 08:39    Post subject: Re: Preserving Calcite  

R Saunders wrote:
are you referring to the Calcite fossil clams from the former Ruck's PIT quarry in Florida? If so I have one that was left laying in a mans yard or years with no apparent effect. Calcite it self seems to be very stable and not sure why you would want to hand sand it. Or is it Midwest USA geodes that have been cracked open?


No they are not from Ruck's Pit. I pulled them from the ground in Venice Florida and they are not clam shells. I believe they are geodes formed from concretions and I do not want to sand and polish these down. They seem to be delicate to it's surroundings. I'm not an expert, but from my observation they deteriorate when left in the sun. I'm guessing because they have probably never seen the the light of day before.

I'm new to the mineral world too. It's not often I find these. I'm normally hunting fossils, these are something I stumbled upon and gathered as many as I could, because they will all be destroyed at some point by a backhoe.



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Brandonh




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PostPosted: Jan 26, 2020 08:43    Post subject: Re: Preserving Calcite  

Bob Harman wrote:
Mr Saunders, if you look through Brandon's other postings, you will see that he has posted some self-collected Calcite nodules/geodes/limestone nodules from Florida.

To "preserve" them, basically do nothing. If you want to keep them as a mineral specimen, keep them natural. Do not sand or polish them; I might only mist them with a simple water spray every several months or so. This keeps them slightly moist without drying out.

For Calcite, kept natural as mineral specimens, nothing special needs to be done......Bob


Thanks Bob :)
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