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.
Amethyst. The February-born shall find Sincerity and peace of mind, Freedom from passion and from care, If they an amethyst will wear. â Gregorian birthstone poem. Amethyst is the modern, as well as traditional, birthstone for February. Amethyst was likewise consistently designated as the February birthstone in the old Roman, Italian, Polish, Russian, Hebrew, Arabic and the old Indian (Ayurvedic) calendar. Before the gemstone became the birthstone of February in these ancient calendars, amethyst was the main zodiac stone for Pisces and Aquarius, both zodiac signs falling partly on the month of February.