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Old 01-12-2018, 04:44 PM
Jordan Kube Jordan Kube is offline
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Erbium Pink, Brossphate Opal

I've been goofing around with Dave's awesome opaline recipe and an erbium recipe I cooked up. The phosphate opal at 2.6% doesn't do much out of the pot for me in my process which is thin cups and some glassybaby tests. It does, however, make an excellent, beautiful, consistent, striking fire opal in bar form, which I've shown here. I plan on doubling the phosphorus on the next melt and see how it goes for me.

I also melted a 10% transparent erbium. I made an educated guess on how low the erbium would take the expansion and my initial adjustment, before melting, turned out compatible. I'm going to try and lower it 1 point to get it spot on but I was pretty thrilled with that. This stuff is expensive. One less melt to pay for. Erbium also does a color shift from "it's a girl" pink in daylight or incandescent light to a pretty electric fuschia under florescent lighting.

So what I have here is Dave's opal turned into bar and then overlayed and then the same thing but with a hot dip of the erbium pink. I just love the juicy transparent layer on the bottom of this piece.

I'm also loving that this forum is on to page two already. Thanks Pete for breaking this one out. It's pretty convenient to be able to see it all in one place.
Attached Images
File Type: jpg Bross opal resize.jpg (74.8 KB, 48 views)
File Type: jpg Erbium resize.jpg (87.2 KB, 52 views)
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Old 01-12-2018, 06:11 PM
Dan Vanantwerp Dan Vanantwerp is offline
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Looking very good! Brossphate...classic.

I asked if he wanted a royalty if it was mixed by a batch company (which he didn't). Wonder if he'll change his mind with a brand name like that just waiting to be had.

I've had no luck getting this or Pete's base mixed by Spruce Pine or East Bay. Might try Jim again now that the holidays are past. I've priced everything through Seattle Pottery and will get my own small stock of batch ingredients soon. Hope I can catch up to you and share some experiences. Controller went out on my furnace so I'm cold for a couple weeks.

Hmmm...2 pages of threads with hundreds of posts starts to sound like a book, doesn't it?
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Old 01-12-2018, 06:55 PM
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Pete VanderLaan Pete VanderLaan is offline
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I got almost the identical color in a strontium phosphate based solely on Dave's using selenium which is a lot cheaper. Getting the calcium out of that glass certainly is a key. Keeping the potassium high works as well in the stuff of Dave's as it does in any traditional high potash/ selenium glass body.

There's some very big changes ( as in tectonic) coming very soon in the retail color industry.
I may consider mixing my clear in small quantities and selling it. that's different than the changes I refer to.
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Old 01-12-2018, 11:34 PM
Eben Horton Eben Horton is offline
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Quote:
Originally Posted by Pete VanderLaan View Post
I got almost the identical color in a strontium phosphate based solely on Dave's using selenium which is a lot cheaper. Getting the calcium out of that glass certainly is a key. Keeping the potassium high works as well in the stuff of Dave's as it does in any traditional high potash/ selenium glass body.

There's some very big changes ( as in tectonic) coming very soon in the retail color industry.
I may consider mixing my clear in small quantities and selling it. that's different than the changes I refer to.
What changes are you talking About? I have a hunch as to what it is... someone is going to retire?
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Old 01-13-2018, 09:18 AM
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Pete VanderLaan Pete VanderLaan is offline
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I really can't, not because I'm hiding stuff ( I am ) but because I don't know critical details that I'm dying to know. It is still possible for it to not happen to the extent it currently is resolving. I think it will go public in the next few weeks. I view it as huge.
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Old 01-13-2018, 11:10 AM
Eben Horton Eben Horton is offline
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Originally Posted by Pete VanderLaan View Post
I really can't, not because I'm hiding stuff ( I am ) but because I don't know critical details that I'm dying to know. It is still possible for it to not happen to the extent it currently is resolving. I think it will go public in the next few weeks. I view it as huge.
Ok. Well... is it good news or bad news ?
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Old 01-13-2018, 11:10 AM
Eric Trulson Eric Trulson is online now
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Thanks for sharing and being specific about your process Jordan, both those colors look great.

Especially nice to be able to compare the same shape with just the opaline and then with a gather of transparent over it.
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