Fern fronds are the leaves of ferns. They are a major organ of a fern and range significantly between species. Some species of tree ferns have fronds that grow as large as 5 m long while other species are limited to growing frond only 1 cm in length.
Cerium is a soft, ductile, silvery-white metallic chemical element with symbol Ce and atomic number 58. Cerium tarnishes when exposed to air, and it is soft enough to be cut with a knife. Cerium is the second element in the lanthanide series, and while it often shows the +3 state characteristic of the series, it also exceptionally has a stable +4 state that does not oxidise water.
Virgo - Leo Cusp. If you happen to be born during the period of August 21st to the 28th, you're born on the borderline or cusp of the preceding sign of Leo, which is the 5th sign of the zodiac and your own, which is the 6th sign of the zodiac. As such, you are ruled by both the Sun and the planet Mercury.