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Lapidary / Gemstone Community Forum
May 19, 2019, 08:21:13 pm
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Newest COPCO Agate Cab

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Author Topic: Newest COPCO Agate Cab  (Read 542 times)
bobby1
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« on: March 31, 2016, 11:52:50 pm »

I just finished this COPCO Agate cab. It is 1-1/4" across. Making this cab will be in my monthly column in Rock and Gem Magazine in a couple months.
Bob
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Jhon P
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« Reply #1 on: April 01, 2016, 08:52:22 am »

love the dendrites. Do you collect that yourself at the Copo reservoir in northern Calif.?  I heard that you couldn't get in there to collect anymore?
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bobby1
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« Reply #2 on: April 01, 2016, 10:41:53 am »

I haven't collected there and I also heard that collecting is not allowed. Over the years I have picked up the material from shows or collections that I have purchaded.
Bob
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hulagrub
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When you cultivate man, you turn up all the clods


« Reply #3 on: April 01, 2016, 11:07:07 am »

Bob, I love it!
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Dave, a certified Rockaholic

socalagatehound
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« Reply #4 on: April 01, 2016, 03:11:20 pm »

Very cool!!! yes yes yes

Craig
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Talusman
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« Reply #5 on: April 02, 2016, 09:22:08 am »

That's a beautiful cab.

Do you think this could be a copco? It's been lightly tumbled and pictured wet.

Thanks!

-Jeremy



* image.jpeg (106.22 KB, 1030x828 - viewed 11 times.)

* image.jpeg (132.15 KB, 733x1030 - viewed 15 times.)
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55fossil
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« Reply #6 on: April 02, 2016, 11:36:55 am »

My best guess would be Montana Agate.
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Talusman
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« Reply #7 on: April 02, 2016, 12:20:42 pm »

Suppose that's more likely. Thanks.
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bobby1
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« Reply #8 on: April 02, 2016, 06:55:34 pm »

That piece to me is certainly COPCO because of the orange skin, milky background and the pattern of the inclusions.
Bob
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bobby1
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« Reply #9 on: April 02, 2016, 07:00:27 pm »

Here is what the piece looks like that I made the cab from. It looks a bit blurry because the color pattern is about 1/8" below the surface.
Bob
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Talusman
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« Reply #10 on: April 02, 2016, 07:49:24 pm »

Wow, now that you post that piece I'm back to thinking copco. There are two patterns - each is just below the surface on opposite sides - not typical placement and pattern of Montanas I've seen. Maybe I'll tumble or grind down closer to the pattern, which looks pretty cool. Here's some pictures dry of both sides.


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bobby1
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« Reply #11 on: April 02, 2016, 09:29:08 pm »

It is very common with Copco material to be a flattened shape with a pattern on both sides though the patterns are not identical and they don't go all the way through.
Bob
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Talusman
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« Reply #12 on: April 02, 2016, 09:37:24 pm »

Thanks Bob - Indeed the patterns are restricted to 2 layers each about 1/8"-1/16" below the surface on either side. As far as I can tell the center of the agate is just milky white.

I'll have to look for your article to learn how to turn a piece like this into such a beautiful cab.

Thanks again!

-Jeremy
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bgast1
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« Reply #13 on: April 12, 2016, 09:44:27 am »

I look at that cab and I see a chicken playing soccer. Cool cab yes
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