A pulsar (short for pulsating radio star) is a highly magnetized, rotating neutron star that emits a beam of electromagnetic radiation.
Tourmaline is the most colorful of all gemstones. It occurs in all colors, but pink, red, green, blue and multicolored are its most well-known gem colors. Scientifically, tourmaline is not a single mineral, but a group of minerals related in their physical and chemical properties.
Protruding from the albite are tourmaline crystals of all sizes and colors. As we worked our way into the second chamber, the tourmalines appeared to be smaller but even gemmier. Most of the tourmalines now are from two to four inches in diameter, some with red cores and a green rind, and others solid green.