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Lapidary / Gemstone Community Forum
June 15, 2019, 11:08:37 pm
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Fire agate help needed

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Author Topic: Fire agate help needed  (Read 566 times)
Windenzee
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« on: February 03, 2016, 09:06:26 am »

Advice and help needed in respect to this piece of fire agate.
I have brought this piece upto a polished state so I could see what it looked like. My query now is, can I or do I need to grind it more so that more fire shows or not. I have seen the pits and so do know that these need to be sanded out or something to done to remove them.
Also I am not yet able to see what to do on the top where I have cut into the piece?
Advice and ideas would be very helpful


* Fire agate 3.jpg (584.61 KB, 2560x1440 - viewed 17 times.)

* Fire agate 1.jpg (531.78 KB, 2560x1440 - viewed 14 times.)
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Karen

redrockrods
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« Reply #1 on: February 03, 2016, 10:12:32 am »

In general, fire agate is treated like precious opal. cut away anything that is not fire.  Sometimes that means carving and contouring the stone following the color layers to bring out the best in the stone. if you just want a cabochon, cut it down to the best color and bring to as high of a polish you are able to.

The pictures are too dark for me to make specific recommendations regarding this particular stone.
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Windenzee
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« Reply #2 on: February 03, 2016, 12:19:08 pm »

Thanks for the info. I will try and get a better picture once
I have done some more work on it.
The stone itself is very dark and I am not that good at taking the pictures.
thanks again
Karen
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Windenzee
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« Reply #3 on: February 03, 2016, 12:33:56 pm »

A better picture.


* Fire agate 00.jpg (589.02 KB, 2560x1440 - viewed 20 times.)
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Karen
asianfire
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« Reply #4 on: February 03, 2016, 06:20:45 pm »

Its hard to say what is needed doe to the dark nature of the material. but in general I concur withredrockrods.
A good way to get pictures and make internal fire visible, is by putting it in a bowl of water and shine a strong light at it (I use flashlight). That allows for seeing the fire. I use that in order to magnify the areas that need work.
Naturally, it is not a solve all solution.

Fire even visible at naked eye, can be as far from the surface as 3-4 mm. At other times, the closer you get to the actual fire layer, the darker it becomes as the chalcedony above it functions as a sort of magnifier. Here I left a good half a mm of material on top of the outer bulbs, as I'm afraid it will get darker as evidenced by the ridge along the bottom.


But in any case, you need to work around the visible bulbs in your piece, and start doing so by removing the white areas. Once done, you will have a better idea as to what to do next.
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Windenzee
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« Reply #5 on: February 04, 2016, 12:23:28 am »

Thank you for the advice re pictures etc. I did lighten one of the ones I posted which helped.
Will start cutting away around the fire and see what happens.
Thanks for the advice
Karen
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Karen
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« Reply #6 on: February 06, 2016, 08:41:01 am »

i found getting rough wet, under bright lighting with a loupe, i can see how deep the fire is on a side.
Then i grind down as close as i can to remove the top without going into the color.
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Windenzee
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« Reply #7 on: March 03, 2016, 09:08:22 am »

I have finally done some more work on this piece. This is the stage I have got to.
Have already got some ideas for mounting but would appreciate comments at this stage.


* image.jpeg (490.82 KB, 2448x2448 - viewed 6 times.)

* image.jpeg (493.83 KB, 2448x2448 - viewed 7 times.)
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Karen
Windenzee
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« Reply #8 on: March 03, 2016, 09:19:44 am »

Fire agate


* image.jpeg (870.43 KB, 2448x2448 - viewed 6 times.)

* image.jpeg (1126.26 KB, 3264x2448 - viewed 7 times.)

* image.jpeg (1126.26 KB, 3264x2448 - viewed 10 times.)
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Karen
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« Reply #9 on: March 03, 2016, 05:18:56 pm »

Are those bubbles pointing at you, or are they turned inwards?
At times, it looks like you got the backside of the bubbles (bubbles turned inward)
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Windenzee
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« Reply #10 on: March 04, 2016, 12:59:48 am »

I do think that they are turning in. Some seem to go in and some are facing up!
I will grind off the back a bit more and see what I can see from there. My worry is that the piece will become too thin.
Thanks for the comment.
Karen
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« Reply #11 on: March 24, 2016, 11:07:07 am »

Having worked more on this stone, I found several fractures and so decided that this piece would be a practice piece in more that one way.
I have practiced setting the stone as well. The pieces of silver going across the corner and front of the pice are covering up where I chose to see how deep the fractures were.
Have learnt a lot.
Thanks for looking
Karen


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Karen
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« Reply #12 on: April 01, 2016, 03:30:28 am »

I look forward to your next fire agate project!!!!
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