- George Lucas is our guide as we explore the real world history that inspired the worlds and stories of Star Wars. From WW2, to Ancient Rome, perhaps the universe inhabited by the Galactic Empire and the Republic before it are more similar to ours than we might think.
- Fluorite (Wikipedia)
Fluorite (also called fluorspar) is the mineral form of calcium fluoride, CaF2. It belongs to the halide minerals. It crystallizes in isometric cubic habit, although octahedral and more complex isometric forms are not uncommon.