feldspar types include Moonstone adularia sunstone or aventurine feldspar labradorite, amazonite, or Amazon stone. Jade: jadeite (also called emerald), nephrite. Jadeite is a sodium aluminum requin pas cher silicate of the formula: of NaAl (SiO3) 2. tn nike france Nephrite is a calcium magnesium silicate, an aqueous Formula: camg5 (oh) 2 (si4o11) 2. Quartz: Quartz nike air max pas cher is a gemstone of its color, the pure silica as a colorless and transparent. Formula sio2. The Quartz type of crystal, the iridescence color red quartz, rutile spots or network rutile quartz, amethyst, topaz, smoke quartz or smoky quartz, Aventurine blue line quartzose, milk quartz, blue quartz or sapphire, quartz , Tiger Eye, Hawkeye or falcon eye, with a star or starlight quartz. 10 chalcedony: also called cryptocrystalline quartz. Formula sio2. The chalcedony types of moonstone, chrysoprase, onyx, and meat carnelian, agate, onyx, jasper, dark green chalcedony, carnelian, tn pas cher petrified wood. 11. Garnet: crystal with pomegranate seeds, shape, color is very similar to the name. The general