Steph

In the past aventurine was sometimes a byproduct of making green glass. For the special runs they didn't didn't mix the colors in batches as was done in the past. They used pre-made specialty art glass. Some of what they call aventurine is mica in green glass. So that's a different subject. Lutz is the the golden looking part of the glass. But that's really copper. The Jabo special runs used it to make oxblood. And maybe non-mica aventurine is also used to make oxblood ... but I can't remember now. It's all starting to blur. Sometimes I think I know this stuff ... but I always want someone else to come in and proofread my post when we start getting into the technical matters.

oh, man, she's in deep already! Throw her a lifesaver!

What a great effect .... don't know if I have a favorite Vitro. I had some I wish I hadn't sold! Will have to think on this. (edit to add -- I wouldn't call that a cage style .... but I don't know what I would call it .... sure don't want to sidetrack the thread with that topic)

Without a pic, could be a 1960's version of the Tiger Eye .... or could be a later nameless Gladding Vitro marble.

The coral and the baby blues stand out to me.

*there there*

You dun good!

*whistle*

Beauties. That should help feel the hole left by your lost ox.

It's beautiful. Guess it's gotta be in that general family. I don't recognize the run.

38 degrees ... oh that feels so good after the last couple of weeks.

yay!

this morning it looks a little more swirly than I was seeing last night. so this morning I'm leaning champ. But I dunno.

If standard size, I'd guess Champ.

Yeah .. can't tell if it's supposed to be a swirl or a clearie.

Can't quite make out the structure. If this is one of the Jabos, then being out of round is not a surprise.

To what do we attribute the faint strand of lutz?

Agree.

Have a blast!

Hey, that was Richard's thought train ... he's getting all swirly on us.

My vote is Akro Moss Agate.

Not sure I would have thought of Jabo on the top. But yes, classics. From somewhere between 1991 and 2007.

???? Sure looks like that's what it wanted to be. And Vitro's my best guess for what it is, but I don't know what its name would be.

It's the opposite of how you get flames. Flames come from a very thin stream of molten glass layering back and forth in the mound of glass which becomes the marble. The buttcrack marble came from a wider stream of glass allowing only one fold before there was enough glass to form the marble. Hey, did that sound like I know what I'm talking about? I think it's right ... but wait for more answers!

Well, my first stray thought is that Akro ads would compare their marbles to styles that their target audience's fathers would have played with. On the other hand that could have just been an adwriter's fantasy. On the third hand, have MFC and Akro (and anyone who called their glass "onyx") trying to get into the older-fashioned stone market. Soooooo .... it's feasible that the Master owners would have been in that frame of mind as they tried to think of their own signature style. But that's all I got. "Feasible".