New Mineral Named After GIA’s John Koivula
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 Post subject: Re: Before and After – Post YOUR Transformation Pics
PostPosted: Sat Aug 18, 2018 6:17 am 
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Looks great now! What kind of stone is it?

Martine


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 Post subject: Re: Before and After – Post YOUR Transformation Pics
PostPosted: Sat Aug 18, 2018 11:23 am 
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Martine wrote:
Looks great now! What kind of stone is it?

Martine


A pink one, of course!

I had been wondering the same thing.

Sapphire?
Spinel?
Tourmaline?
Garnet?
Whatchamacallitite?

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 Post subject: Re: Before and After – Post YOUR Transformation Pics
PostPosted: Wed Dec 05, 2018 11:53 am 
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Wow - kind of dead around here!

Before and after on a large (over 1" long) heirloom amethyst a client brought in - part of a larger project in the Jeweler's Bench forum...

One end cut off in the job picture the sales person took.

https://www.gemologyonline.com/Forum/phpBB2/viewtopic.php?f=38&t=4062&p=243334#p243334


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File comment: Ugh!
Flachbart stn (600x450).jpg
Flachbart stn (600x450).jpg [ 140.04 KiB | Viewed 1018 times ]
File comment: Done!
Flachbart top (600x441).jpg
Flachbart top (600x441).jpg [ 122.22 KiB | Viewed 1018 times ]

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 Post subject: Re: Before and After – Post YOUR Transformation Pics
PostPosted: Wed Dec 05, 2018 11:56 am 
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Another repair - light blue synthetic spinel, belonged to an aunt...

Came out of an old 10K ring, gem is ~16 mm

Had to leave some of the flat and other damage or it wouldn't have fit back in the ring!


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Syn Spinel Hrt 1 (600x450).jpg
Syn Spinel Hrt 1 (600x450).jpg [ 104.23 KiB | Viewed 1017 times ]
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Syn Spinel Hrt 2 (600x450).jpg
Syn Spinel Hrt 2 (600x450).jpg [ 119.73 KiB | Viewed 1017 times ]

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 Post subject: Re: Before and After – Post YOUR Transformation Pics
PostPosted: Tue Dec 25, 2018 10:40 pm 
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My mother got a Nikon Coolpix for christmas, and I got to borrow it to take a couple of photos of gems.
Image
From a picture taken with an old phone camera, with light reflected off a blind to avoid glaring out the camera and even still, speckles from glare-

Image
-To one taken in a shaded area without a tripod, with flash active, and full sun reflected off a car and house providing diffuse lighting.


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 Post subject: Re: Before and After – Post YOUR Transformation Pics
PostPosted: Fri Mar 01, 2019 10:04 pm 
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OK, this was fun.

I bought a 38.45 ct Aqua out of a piece of 70s jewellery back in the fall and finally got around to cutting it. It was just a hair under 12mm from table to keel. 23.2x17.8x11.97mm

Attachment:
Aqua-R-1100_thumb.jpg
Aqua-R-1100_thumb.jpg [ 475.2 KiB | Viewed 766 times ]


After recutting, it's 17.84cts. and 11.43mm from table to culet. 19.64x15x11.43mm

Attachment:
IMG_4432.JPG
IMG_4432.JPG [ 824.56 KiB | Viewed 766 times ]


Better colour, better sparkle, and not much face up loss.

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 Post subject: Re: Before and After – Post YOUR Transformation Pics
PostPosted: Sat Mar 02, 2019 12:34 pm 
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That's a tremendous improvement. Great work, Lisa.

Lisa Elser wrote:
OK, this was fun.
I bought a 38.45 ct Aqua out of a piece of 70s jewellery back in the fall and finally got around to cutting it. It was just a hair under 12mm from table to keel. 23.2x17.8x11.97mm
Attachment:
Aqua-R-1100_thumb.jpg

After recutting, it's 17.84cts. and 11.43mm from table to culet. 19.64x15x11.43mm
Attachment:
IMG_4432.JPG

Better colour, better sparkle, and not much face up loss.

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 Post subject: Re: Before and After – Post YOUR Transformation Pics
PostPosted: Tue Apr 16, 2019 3:19 am 
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Two Zambian emeralds, 2.86 ct (10.09 ct rough) and 2.49 ct (10.60 ct rough), for a client. Unfortunately the camera picks up the inclusions very visibly. They are less noticeable in the hand.
Attachment:
Emerald rough, resized for web.jpg
Emerald rough, resized for web.jpg [ 205.96 KiB | Viewed 558 times ]
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Emeralds cut, resized for web.jpg
Emeralds cut, resized for web.jpg [ 198.25 KiB | Viewed 558 times ]


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 Post subject: Re: Before and After – Post YOUR Transformation Pics
PostPosted: Tue Apr 16, 2019 9:22 am 
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Duncan,

Nice color and cut. Well done.

Are you going to clarity enhance them?

Steve


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 Post subject: Re: Before and After – Post YOUR Transformation Pics
PostPosted: Wed Apr 17, 2019 5:07 am 
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1bwana1 wrote:
Are you going to clarity enhance them?Steve

No, they are already with the client for whom I cut them and she is happy with them as they are. The streaky inclusions in the rectangular stone are, I think, actinolite not empty tubes.


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 Post subject: Re: Before and After – Post YOUR Transformation Pics
PostPosted: Fri May 31, 2019 6:26 am 
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A tanzanite recutting job for a client. The girdle is deliberately thick to retain weight and keep the finished stone over 5 ct. The original stone was very lop-sided, with a shallow pavilion on the left hand side, so there was considerable weight loss.
Attachment:
Tanzanite 8.67 ct before recutting.JPG
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Tanzanite 5.39 ct recut.jpg
Tanzanite 5.39 ct recut.jpg [ 149.52 KiB | Viewed 404 times ]


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 Post subject: Re: Before and After – Post YOUR Transformation Pics
PostPosted: Fri May 31, 2019 7:42 am 
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Duncan Miller wrote:
A tanzanite recutting job for a client. The girdle is deliberately thick to retain weight and keep the finished stone over 5 ct. The original stone was very lop-sided, with a shallow pavilion on the left hand side, so there was considerable weight loss.


Very nice recut.

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 Post subject: Re: Before and After – Post YOUR Transformation Pics
PostPosted: Fri May 31, 2019 11:07 pm 
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Excellent use of the rough! Made a beautiful gem.

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 Post subject: Re: Before and After – Post YOUR Transformation Pics
PostPosted: Thu Jun 20, 2019 12:03 pm 
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Colorado Smokey Quartz provided by a client


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 Post subject: Re: Before and After – Post YOUR Transformation Pics
PostPosted: Thu Jun 20, 2019 12:13 pm 
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Colorado Smokey Quartz provided by a client

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Finished stones

Image

4.17 cts. 11.6 X 9.9mm Oval Mixed

Image

4.61 cts. 12.8 X 9.8mm Oval Mixed
Stone has some small surface reaching bubbles that filled with CeO. Suggestions for best way to remove.
Still working on photography skills. :)

Cutting another crystal for earrings. The client wants a complete set. Will post when finish


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