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.
Variety of Yellow / Orange Colors. Jewelry with yellow and golden colored gem stones come in a variety of different shades, including amber, canary, champagne, gold, lemon, mustard, ochre and saffron.