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.
Chrysoprase-The Different Colors, Shapes and Sizes. Chrysoprase is a very rare form of quartz. Its most striking attribute is its beautiful color, that of a green apple. However it should be noted that Chrysoprase also comes in a very dark green.Chrysoprase contains traces of nickel; the nickel that is found inside the Chrysoprase is what gives it its color.he Uses of Chrysoprase. Chrysoprase is a very rare and beautiful gemstone; it usually has an apple green color or at times takes on a deep green color. Chrysoprase is a type of quartz, it contains a slight amount of nickel which gives it its color and at times is confused with Jade.