Fusion Rocky Mountain Glass. Fusion Rocky Mountain Glass is an exciting colorful glass, combined with deep and interesting textures. A first of it’s kind, just another spectacular creation by Nathan Allan glass artists. Never before has a producer combined the unique hand crafted textures of kiln formed glass, with the Fusion Dichroic color shifting feature. As you walk by this glass, the colors shift and create an entire different appearance. Fusion Rocky Mountain Glass is ideal for Wall Partitions and Dividers, where light can easily travel through the glass.