About Dichroic Glass: - What is Dichroic Glass and how special is it? 1. Dichroic glass is a high-tech spin-off of the space industry. "Dichroic" is defined as the property of having more than one color, especially when viewed from different angles or from transmitted to reflected light. 2. High Technical Requirement High procession skills is required to make these pieces such as fusing, etching, painting and polishing, you can only find a few supply in the market! Heart Shape Dog Dichroic Glass Pendants Name Dichroic Glass Pendants Dog Dichroic Glass Pendants Other Dichroic Glass Pendants These items are transparent dichroic glass pendant, the color the dichroic glass will be shown up when you wear different colors of shirts and clothes. The size of the heart shape 30mm x 34mm, the size of the other design is about 20mm x 35mm The bail is made of 925 Sterling Silver(stamped) Chain(18" long) is included (Due to the hand made nature of these items, slightly variation of pattern, size and color may occured, which means that it's a very unique item!)