Relatively benign, grade I gliomas may be treated only by surgery. Most malignant tumors require additional treatments, including repeat surgery. Imaging techniques, such as CT and MRI, are used along with surgery to help map the area of the tumor in the brain.
Alternate: Chrysoprase. Chrysophase, the alternate May birthstone, is an ornamental gemstone with a hardness level between 6.0 and 7.0. A member of the very large chalcedony family, Chrysoprase is an opaque green or yellowish-green with the name stemming from the Greek chrysos meaning gold and prason meaning leek.RIMARY: EMERALD - The stone which brings security in love and nature. Emerald, the primary May birthstone, is a precious gemstone that ranks between 7.5 and 8.0 on Moh's hardness level scale. As mentioned n the aquamarine section, emerald is a green gemstone in the beryl family.
There are two birthstones for the month of June. Alexandrite was the traditional birthstone for June, but due to its scarcity and cost, pearl has become June's common birthstone. The alexandrite was named after Czar Alexander II and is one of the most desired gems. Its color changes with the lighting surrounding the stone, which is called its phenomena. Depending upon the light, the alexandrite phenomena can have a greenish, reddish or purplish hue.