Jack in the Pulpit #2699

Blue Aurene

6 Inches High

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Other Carder JIP Examples

Black Glass

I totally agree with Michael Krumme that the color of the black glass has nothing to do with it’s value. I do however look to see what the internal color of the black glass is and have seen others holding it to the light. Different makers have different colors. It is great information to use to aid in the proper identification of the maker.

The color of Steuben black is a very specific color. I like to use the direct ball of the sun to see the exact color. The lights at an antique show are not usually bright enough to see the internal color of a thicker piece. This will give it an opaque look when it is not!

I see three colors of black. Some makers use Cobalt Blue Black. It is easy to spot and cannot be mistaken. Then there is Amethyst Black. Sounds like it looks like a black that was made out of amethyst. Then there is Steuben! It is neither. If you have had the chance to see potassium permanganate in person I would say that is the best color description. I would also call it a magenta color. I have seen it get so strong it the ball of the sun has looked cranberry to almost a cherry red!

Some people hold it to the light to try to figure out who made it.

This is the color I see in Steuben Mirror Black. It is not a regular amethyst. It has more red.

Rande Bly