Please make a very generous offer if you do not agree with the price. Here is a super rare, dichroic marble. Dichroic glass is glass which displays two different colors by undergoing a color change in certain lighting conditions. This is NOT a paperweight. NAME: “Huge Dichroic Vortex Marble”. SIGNED: “Jason Compagni 2002″ (with his manner of handwriting). DIAMETER: 2 3/8 inches. Actual color may vary from pictures due to digital camera phenomenon, lighting, your computer settings, and other factors. Thank you for stopping by. T his sphere will have a tamper-security sticker — Void If Removed. Is the only one that is being auctioned off. The item “Rare and signed JASON COMPAGNI Huge Dichroic Vortex Marble = 2 3/8 diameter” is in sale since Wednesday, May 10, 2017. This item is in the category “Pottery & Glass\Glass\Art Glass\Paperweights”. The seller is “parker20021″ and is located in Laguna Hills, California. This item can be shipped to United States.