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Recommended Polishes For Lapidary Materials

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Author Topic: Recommended Polishes For Lapidary Materials  (Read 2935 times)
Ajo
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« on: June 20, 2011, 08:16:22 pm »

I was surfing a while back and discovered this list of recommended polishing compounds for gemstones. I am not sure if this was already shared on the forum. Thought I would share it. It has worked really well for me.  Here is the web adress.http://www.utahrockhounds.com/tooelegem/tips/stonepolish.html Ajo.
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Eric

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ScarlettoSara
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« Reply #1 on: June 20, 2011, 08:38:08 pm »

Thank you thank you I needed this so much:)
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« Reply #2 on: June 20, 2011, 09:03:21 pm »


Your telling me....I also needed this.

tks

TOG
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-Gary

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Taogem
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« Reply #3 on: June 20, 2011, 10:30:28 pm »

Good info !
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johnjsgems
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« Reply #4 on: June 21, 2011, 08:09:37 am »

Covington has a nice chart on their website also.  It also gives order of preference for different polish and buff choices (cerium on felt buff, etc.).  On both charts where Linde A is listed as first choice any of the now readily available .3 micron or so aluminum oxides will substitute for a lot less $$.
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« Reply #5 on: June 21, 2011, 08:23:58 am »


My polishing is where I have been dropping the ball.  This info will really help.  tks

TOG
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-Gary

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Whether you think you can, or you think you can't, you're probably right.
ScarlettoSara
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« Reply #6 on: June 21, 2011, 08:54:11 am »

Thank you John:)
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"I tramp a perpetual journey.
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Rocksnot
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« Reply #7 on: June 21, 2011, 03:17:39 pm »

nice info!  will be improving some techniques - and saving some elbow grease at the same time  :D
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Ajo
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« Reply #8 on: June 21, 2011, 05:50:40 pm »

Thanks, John. I forgot about that one. That is a great chart too. I like the fact that it gives what type of pads to use. Ajo.
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Eric

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johnjsgems
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« Reply #9 on: June 21, 2011, 06:15:40 pm »

I think Covington's chart is straight out of the 70's.  No mention of aluminum oxide other than Linde A.  Doesn't include all the popular rocks of today but still great information at the right price. 
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gregorgr8
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« Reply #10 on: June 22, 2011, 12:41:34 pm »

I noticed they are selling the  "Holy Cow"  polish on eBay.    pretty good stuff
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Stay healthy in 2011.  .  .  . and don't forget to eat some dark chocolate!

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RoyKims
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« Reply #11 on: June 29, 2011, 10:27:55 pm »

i'll use it too.  thanks for the heads up..
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Roger
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« Reply #12 on: October 17, 2011, 12:39:58 pm »

A good place for me to start in understanding correlation between different polishes for different rocks. Thanx
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will100
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« Reply #13 on: December 26, 2011, 01:08:32 pm »

Thanks for posting this, very helpful.
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RoyKims
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« Reply #14 on: December 28, 2011, 10:18:00 pm »

one thing i know is that the Al/Ox  i have for sell in ''shop and swap'' works like a dream.. i've gone my stones from 600grit straight to the polish and it works great

roy
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helens
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« Reply #15 on: January 10, 2012, 11:10:03 pm »

This is wonderful! Thank you for posting it!
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DemiDee
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« Reply #16 on: March 31, 2012, 05:53:12 pm »

Thanks for this tip.  I have been looking for just such a chart to post around the lap machine.  Now I have a good one.
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Helene
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« Reply #17 on: March 31, 2012, 08:20:08 pm »

Thanks for posting this chart.  It is and will be very helpful.  Might print, laminate and hang in the studio.
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jackd
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« Reply #18 on: April 09, 2012, 09:38:45 pm »

Thanks, useful information...
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Apehanger
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« Reply #19 on: May 28, 2012, 12:26:17 am »

Only just found this.

This is exactly the sort of thing a beginner like me needs

Thank you so much   yes yes yes
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stoned
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« Reply #20 on: August 29, 2013, 05:40:36 pm »

Good info thanks!
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branchwater
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« Reply #21 on: November 03, 2014, 06:38:50 am »

It says domain has expired.....anyone have a similar links.
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Gjeret
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« Reply #22 on: March 09, 2015, 09:19:31 am »

http://prettybauble.com/snagged-web-archive/

I found the original link in a web archive and tossed it up on my webserver.

Enjoy
-Gj-
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light house jack
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« Reply #23 on: March 09, 2015, 01:37:59 pm »

I may have mentioned this before but a couple of years back we were having a heck of a time getting a mirror polish on an obsidian cab in my class at William Holland. We were using diamond on moleskin up to 100,000 and the stone just would not pop. I remembered what an old rock guy told me in Quartzite. He said to use a rough leather pad with super cerium oxide.  I had some shipped in and the next day my student had  a fantastic polish.
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Ajo
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« Reply #24 on: May 14, 2015, 08:18:21 pm »

I am so glad that everyone is still getting some use from this. I still refer to it time to time too. Great! Eric(Ajo)
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Eric

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jennjenn
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« Reply #25 on: September 07, 2015, 12:57:42 pm »

I don't suppose anyone has this original list handy that they could share with me?  That original link that Ajo posted no longer works.  Thanks!
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jennjenn
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« Reply #26 on: September 07, 2015, 01:07:03 pm »

Nvm.  Just saw the link that someone posted to the original.  I do have a different question however.  Our program is being forced to use Alumina as a main polish instead of Cerium Oxide due to the increased cost and limited budget.  Does anyone have any feedback on the shortcomings of Alumina that I should be aware of so I can share with students?  thanks!
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