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.
How to Find Tourmaline in the U.S. Tourmaline is a gemstone that can be found all over the world. In the U.S., there are mines in California, Maine and New Hampshire that produce this semi-precious stone. Tourmalines from California can be found in a variety of colors except for blue and yellow.